Cargo fmt pass

meilidb-core/src/serde/convert_to_number.rs

@@ -77,13 +77,18 @@ impl ser::Serializer for ConvertToNumber {
     }
 
     fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnrankableType { type_name: "Option" })
+        Err(SerializerError::UnrankableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_some<T: ?Sized>(self, _value: &T) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
-        Err(SerializerError::UnrankableType { type_name: "Option" })
+        Err(SerializerError::UnrankableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
@@ -91,25 +96,29 @@ impl ser::Serializer for ConvertToNumber {
     }
 
     fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnrankableType { type_name: "unit struct" })
+        Err(SerializerError::UnrankableType {
+            type_name: "unit struct",
+        })
     }
 
     fn serialize_unit_variant(
         self,
         _name: &'static str,
         _variant_index: u32,
-        _variant: &'static str
-    ) -> Result<Self::Ok, Self::Error>
-    {
-        Err(SerializerError::UnrankableType { type_name: "unit variant" })
+        _variant: &'static str,
+    ) -> Result<Self::Ok, Self::Error> {
+        Err(SerializerError::UnrankableType {
+            type_name: "unit variant",
+        })
     }
 
     fn serialize_newtype_struct<T: ?Sized>(
         self,
         _name: &'static str,
-        value: &T
+        value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
         value.serialize(self)
     }
@@ -119,15 +128,20 @@ impl ser::Serializer for ConvertToNumber {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _value: &T
+        _value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
-        Err(SerializerError::UnrankableType { type_name: "newtype variant" })
+        Err(SerializerError::UnrankableType {
+            type_name: "newtype variant",
+        })
     }
 
     fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
-        Err(SerializerError::UnrankableType { type_name: "sequence" })
+        Err(SerializerError::UnrankableType {
+            type_name: "sequence",
+        })
     }
 
     fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
@@ -137,10 +151,11 @@ impl ser::Serializer for ConvertToNumber {
     fn serialize_tuple_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleStruct, Self::Error>
-    {
-        Err(SerializerError::UnrankableType { type_name: "tuple struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
+        Err(SerializerError::UnrankableType {
+            type_name: "tuple struct",
+        })
     }
 
     fn serialize_tuple_variant(
@@ -148,10 +163,11 @@ impl ser::Serializer for ConvertToNumber {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleVariant, Self::Error>
-    {
-        Err(SerializerError::UnrankableType { type_name: "tuple variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
+        Err(SerializerError::UnrankableType {
+            type_name: "tuple variant",
+        })
     }
 
     fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
@@ -161,10 +177,11 @@ impl ser::Serializer for ConvertToNumber {
     fn serialize_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStruct, Self::Error>
-    {
-        Err(SerializerError::UnrankableType { type_name: "struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeStruct, Self::Error> {
+        Err(SerializerError::UnrankableType {
+            type_name: "struct",
+        })
     }
 
     fn serialize_struct_variant(
@@ -172,9 +189,10 @@ impl ser::Serializer for ConvertToNumber {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStructVariant, Self::Error>
-    {
-        Err(SerializerError::UnrankableType { type_name: "struct variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Self::Error> {
+        Err(SerializerError::UnrankableType {
+            type_name: "struct variant",
+        })
     }
 }

meilidb-core/src/serde/convert_to_string.rs

@@ -1,5 +1,5 @@
-use serde::Serialize;
 use serde::ser;
+use serde::Serialize;
 
 use super::SerializerError;
 
@@ -17,7 +17,9 @@ impl ser::Serializer for ConvertToString {
     type SerializeStructVariant = ser::Impossible<Self::Ok, Self::Error>;
 
     fn serialize_bool(self, _value: bool) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "boolean" })
+        Err(SerializerError::UnserializableType {
+            type_name: "boolean",
+        })
     }
 
     fn serialize_char(self, value: char) -> Result<Self::Ok, Self::Error> {
@@ -73,13 +75,18 @@ impl ser::Serializer for ConvertToString {
     }
 
     fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "Option" })
+        Err(SerializerError::UnserializableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_some<T: ?Sized>(self, _value: &T) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
-        Err(SerializerError::UnserializableType { type_name: "Option" })
+        Err(SerializerError::UnserializableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
@@ -87,25 +94,29 @@ impl ser::Serializer for ConvertToString {
     }
 
     fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "unit struct" })
+        Err(SerializerError::UnserializableType {
+            type_name: "unit struct",
+        })
     }
 
     fn serialize_unit_variant(
         self,
         _name: &'static str,
         _variant_index: u32,
-        _variant: &'static str
-    ) -> Result<Self::Ok, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "unit variant" })
+        _variant: &'static str,
+    ) -> Result<Self::Ok, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "unit variant",
+        })
     }
 
     fn serialize_newtype_struct<T: ?Sized>(
         self,
         _name: &'static str,
-        value: &T
+        value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
         value.serialize(self)
     }
@@ -115,15 +126,20 @@ impl ser::Serializer for ConvertToString {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _value: &T
+        _value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
-        Err(SerializerError::UnserializableType { type_name: "newtype variant" })
+        Err(SerializerError::UnserializableType {
+            type_name: "newtype variant",
+        })
     }
 
     fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "sequence" })
+        Err(SerializerError::UnserializableType {
+            type_name: "sequence",
+        })
     }
 
     fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
@@ -133,10 +149,11 @@ impl ser::Serializer for ConvertToString {
     fn serialize_tuple_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleStruct, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "tuple struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "tuple struct",
+        })
     }
 
     fn serialize_tuple_variant(
@@ -144,10 +161,11 @@ impl ser::Serializer for ConvertToString {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleVariant, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "tuple variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "tuple variant",
+        })
     }
 
     fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
@@ -157,10 +175,11 @@ impl ser::Serializer for ConvertToString {
     fn serialize_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStruct, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeStruct, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "struct",
+        })
     }
 
     fn serialize_struct_variant(
@@ -168,9 +187,10 @@ impl ser::Serializer for ConvertToString {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStructVariant, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "struct variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "struct variant",
+        })
     }
 }

meilidb-core/src/serde/deserializer.rs

@@ -1,12 +1,12 @@
 use std::collections::HashSet;
 use std::io::Cursor;
-use std::{fmt, error::Error};
+use std::{error::Error, fmt};
 
 use meilidb_schema::{Schema, SchemaAttr};
-use serde_json::Error as SerdeJsonError;
-use serde_json::Deserializer as SerdeJsonDeserializer;
-use serde_json::de::IoRead as SerdeJsonIoRead;
 use serde::{de, forward_to_deserialize_any};
+use serde_json::de::IoRead as SerdeJsonIoRead;
+use serde_json::Deserializer as SerdeJsonDeserializer;
+use serde_json::Error as SerdeJsonError;
 
 use crate::store::DocumentsFields;
 use crate::DocumentId;
@@ -60,7 +60,8 @@ impl<'de, 'a, 'b> de::Deserializer<'de> for &'b mut Deserializer<'a> {
     type Error = DeserializerError;
 
     fn deserialize_any<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-    where V: de::Visitor<'de>
+    where
+        V: de::Visitor<'de>,
     {
         self.deserialize_map(visitor)
     }
@@ -72,16 +73,21 @@ impl<'de, 'a, 'b> de::Deserializer<'de> for &'b mut Deserializer<'a> {
     }
 
     fn deserialize_map<V>(self, visitor: V) -> Result<V::Value, Self::Error>
-    where V: de::Visitor<'de>
+    where
+        V: de::Visitor<'de>,
     {
         let mut error = None;
 
-        let iter = self.documents_fields
+        let iter = self
+            .documents_fields
             .document_fields(self.reader, self.document_id)?
             .filter_map(|result| {
                 let (attr, value) = match result {
                     Ok(value) => value,
-                    Err(e) => { error = Some(e); return None },
+                    Err(e) => {
+                        error = Some(e);
+                        return None;
+                    }
                 };
 
                 let is_displayed = self.schema.props(attr).is_displayed();
@@ -99,7 +105,9 @@ impl<'de, 'a, 'b> de::Deserializer<'de> for &'b mut Deserializer<'a> {
             });
 
         let map_deserializer = de::value::MapDeserializer::new(iter);
-        let result = visitor.visit_map(map_deserializer).map_err(DeserializerError::from);
+        let result = visitor
+            .visit_map(map_deserializer)
+            .map_err(DeserializerError::from);
 
         match error.take() {
             Some(error) => Err(error.into()),
@@ -122,7 +130,8 @@ impl<'de> de::Deserializer<'de> for Value {
     type Error = SerdeJsonError;
 
     fn deserialize_any<V>(mut self, visitor: V) -> Result<V::Value, Self::Error>
-    where V: de::Visitor<'de>
+    where
+        V: de::Visitor<'de>,
     {
         self.0.deserialize_any(visitor)
     }

meilidb-core/src/serde/extract_document_id.rs

@@ -5,13 +5,14 @@ use serde::{ser, Serialize};
 use serde_json::Value;
 use siphasher::sip::SipHasher;
 
-use super::{SerializerError, ConvertToString};
+use super::{ConvertToString, SerializerError};
 
 pub fn extract_document_id<D>(
     identifier: &str,
     document: &D,
 ) -> Result<Option<DocumentId>, SerializerError>
-where D: serde::Serialize,
+where
+    D: serde::Serialize,
 {
     let serializer = ExtractDocumentId { identifier };
     document.serialize(serializer)
@@ -77,13 +78,18 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
     }
 
     fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "Option" })
+        Err(SerializerError::UnserializableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_some<T: ?Sized>(self, _value: &T) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
-        Err(SerializerError::UnserializableType { type_name: "Option" })
+        Err(SerializerError::UnserializableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
@@ -91,25 +97,29 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
     }
 
     fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "unit struct" })
+        Err(SerializerError::UnserializableType {
+            type_name: "unit struct",
+        })
     }
 
     fn serialize_unit_variant(
         self,
         _name: &'static str,
         _variant_index: u32,
-        _variant: &'static str
-    ) -> Result<Self::Ok, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "unit variant" })
+        _variant: &'static str,
+    ) -> Result<Self::Ok, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "unit variant",
+        })
     }
 
     fn serialize_newtype_struct<T: ?Sized>(
         self,
         _name: &'static str,
-        value: &T
+        value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
         value.serialize(self)
     }
@@ -119,15 +129,20 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _value: &T
+        _value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
-        Err(SerializerError::UnserializableType { type_name: "newtype variant" })
+        Err(SerializerError::UnserializableType {
+            type_name: "newtype variant",
+        })
     }
 
     fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "sequence" })
+        Err(SerializerError::UnserializableType {
+            type_name: "sequence",
+        })
     }
 
     fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
@@ -137,10 +152,11 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
     fn serialize_tuple_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleStruct, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "tuple struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "tuple struct",
+        })
     }
 
     fn serialize_tuple_variant(
@@ -148,10 +164,11 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleVariant, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "tuple variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "tuple variant",
+        })
     }
 
     fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
@@ -167,9 +184,8 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
     fn serialize_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStruct, Self::Error>
-    {
+        _len: usize,
+    ) -> Result<Self::SerializeStruct, Self::Error> {
         let serializer = ExtractDocumentIdStructSerializer {
             identifier: self.identifier,
             document_id: None,
@@ -183,10 +199,11 @@ impl<'a> ser::Serializer for ExtractDocumentId<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStructVariant, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "struct variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "struct variant",
+        })
     }
 }
 
@@ -201,7 +218,8 @@ impl<'a> ser::SerializeMap for ExtractDocumentIdMapSerializer<'a> {
     type Error = SerializerError;
 
     fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
         let key = key.serialize(ConvertToString)?;
         self.current_key_name = Some(key);
@@ -209,7 +227,8 @@ impl<'a> ser::SerializeMap for ExtractDocumentIdMapSerializer<'a> {
     }
 
     fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
         let key = self.current_key_name.take().unwrap();
         self.serialize_entry(&key, value)
@@ -218,9 +237,11 @@ impl<'a> ser::SerializeMap for ExtractDocumentIdMapSerializer<'a> {
     fn serialize_entry<K: ?Sized, V: ?Sized>(
         &mut self,
         key: &K,
-        value: &V
+        value: &V,
     ) -> Result<(), Self::Error>
-    where K: Serialize, V: Serialize,
+    where
+        K: Serialize,
+        V: Serialize,
     {
         let key = key.serialize(ConvertToString)?;
 
@@ -252,9 +273,10 @@ impl<'a> ser::SerializeStruct for ExtractDocumentIdStructSerializer<'a> {
     fn serialize_field<T: ?Sized>(
         &mut self,
         key: &'static str,
-        value: &T
+        value: &T,
     ) -> Result<(), Self::Error>
-    where T: Serialize,
+    where
+        T: Serialize,
     {
         if self.identifier == key {
             let value = serde_json::to_string(value).and_then(|s| serde_json::from_str(&s))?;

meilidb-core/src/serde/indexer.rs

@@ -2,9 +2,9 @@ use meilidb_schema::SchemaAttr;
 use serde::ser;
 use serde::Serialize;
 
-use crate::DocumentId;
+use super::{ConvertToString, SerializerError};
 use crate::raw_indexer::RawIndexer;
-use super::{SerializerError, ConvertToString};
+use crate::DocumentId;
 
 pub struct Indexer<'a> {
     pub attribute: SchemaAttr,
@@ -24,7 +24,9 @@ impl<'a> ser::Serializer for Indexer<'a> {
     type SerializeStructVariant = ser::Impossible<Self::Ok, Self::Error>;
 
     fn serialize_bool(self, _value: bool) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnindexableType { type_name: "boolean" })
+        Err(SerializerError::UnindexableType {
+            type_name: "boolean",
+        })
     }
 
     fn serialize_char(self, value: char) -> Result<Self::Ok, Self::Error> {
@@ -83,7 +85,9 @@ impl<'a> ser::Serializer for Indexer<'a> {
     }
 
     fn serialize_str(self, text: &str) -> Result<Self::Ok, Self::Error> {
-        let number_of_words = self.indexer.index_text(self.document_id, self.attribute, text);
+        let number_of_words = self
+            .indexer
+            .index_text(self.document_id, self.attribute, text);
         Ok(Some(number_of_words))
     }
 
@@ -92,14 +96,19 @@ impl<'a> ser::Serializer for Indexer<'a> {
     }
 
     fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnindexableType { type_name: "Option" })
+        Err(SerializerError::UnindexableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_some<T: ?Sized>(self, value: &T) -> Result<Self::Ok, Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         let text = value.serialize(ConvertToString)?;
-        let number_of_words = self.indexer.index_text(self.document_id, self.attribute, &text);
+        let number_of_words = self
+            .indexer
+            .index_text(self.document_id, self.attribute, &text);
         Ok(Some(number_of_words))
     }
 
@@ -108,25 +117,29 @@ impl<'a> ser::Serializer for Indexer<'a> {
     }
 
     fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnindexableType { type_name: "unit struct" })
+        Err(SerializerError::UnindexableType {
+            type_name: "unit struct",
+        })
     }
 
     fn serialize_unit_variant(
         self,
         _name: &'static str,
         _variant_index: u32,
-        _variant: &'static str
-    ) -> Result<Self::Ok, Self::Error>
-    {
-        Err(SerializerError::UnindexableType { type_name: "unit variant" })
+        _variant: &'static str,
+    ) -> Result<Self::Ok, Self::Error> {
+        Err(SerializerError::UnindexableType {
+            type_name: "unit variant",
+        })
     }
 
     fn serialize_newtype_struct<T: ?Sized>(
         self,
         _name: &'static str,
-        value: &T
+        value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         value.serialize(self)
     }
@@ -136,11 +149,14 @@ impl<'a> ser::Serializer for Indexer<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _value: &T
+        _value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
-        Err(SerializerError::UnindexableType { type_name: "newtype variant" })
+        Err(SerializerError::UnindexableType {
+            type_name: "newtype variant",
+        })
     }
 
     fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
@@ -168,10 +184,11 @@ impl<'a> ser::Serializer for Indexer<'a> {
     fn serialize_tuple_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleStruct, Self::Error>
-    {
-        Err(SerializerError::UnindexableType { type_name: "tuple struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
+        Err(SerializerError::UnindexableType {
+            type_name: "tuple struct",
+        })
     }
 
     fn serialize_tuple_variant(
@@ -179,10 +196,11 @@ impl<'a> ser::Serializer for Indexer<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleVariant, Self::Error>
-    {
-        Err(SerializerError::UnindexableType { type_name: "tuple variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
+        Err(SerializerError::UnindexableType {
+            type_name: "tuple variant",
+        })
     }
 
     fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
@@ -199,10 +217,11 @@ impl<'a> ser::Serializer for Indexer<'a> {
     fn serialize_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStruct, Self::Error>
-    {
-        Err(SerializerError::UnindexableType { type_name: "struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeStruct, Self::Error> {
+        Err(SerializerError::UnindexableType {
+            type_name: "struct",
+        })
     }
 
     fn serialize_struct_variant(
@@ -210,10 +229,11 @@ impl<'a> ser::Serializer for Indexer<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStructVariant, Self::Error>
-    {
-        Err(SerializerError::UnindexableType { type_name: "struct variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Self::Error> {
+        Err(SerializerError::UnindexableType {
+            type_name: "struct variant",
+        })
     }
 }
 
@@ -229,7 +249,8 @@ impl<'a> ser::SerializeSeq for SeqIndexer<'a> {
     type Error = SerializerError;
 
     fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
-    where T: ser::Serialize
+    where
+        T: ser::Serialize,
     {
         let text = value.serialize(ConvertToString)?;
         self.texts.push(text);
@@ -238,7 +259,8 @@ impl<'a> ser::SerializeSeq for SeqIndexer<'a> {
 
     fn end(self) -> Result<Self::Ok, Self::Error> {
         let texts = self.texts.iter().map(String::as_str);
-        self.indexer.index_text_seq(self.document_id, self.attribute, texts);
+        self.indexer
+            .index_text_seq(self.document_id, self.attribute, texts);
         Ok(None)
     }
 }
@@ -255,7 +277,8 @@ impl<'a> ser::SerializeMap for MapIndexer<'a> {
     type Error = SerializerError;
 
     fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         let text = key.serialize(ConvertToString)?;
         self.texts.push(text);
@@ -263,7 +286,8 @@ impl<'a> ser::SerializeMap for MapIndexer<'a> {
     }
 
     fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         let text = value.serialize(ConvertToString)?;
         self.texts.push(text);
@@ -272,7 +296,8 @@ impl<'a> ser::SerializeMap for MapIndexer<'a> {
 
     fn end(self) -> Result<Self::Ok, Self::Error> {
         let texts = self.texts.iter().map(String::as_str);
-        self.indexer.index_text_seq(self.document_id, self.attribute, texts);
+        self.indexer
+            .index_text_seq(self.document_id, self.attribute, texts);
         Ok(None)
     }
 }
@@ -293,7 +318,8 @@ impl<'a> ser::SerializeStruct for StructSerializer<'a> {
         key: &'static str,
         value: &T,
     ) -> Result<(), Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         let key_text = key.to_owned();
         let value_text = value.serialize(ConvertToString)?;
@@ -304,7 +330,8 @@ impl<'a> ser::SerializeStruct for StructSerializer<'a> {
 
     fn end(self) -> Result<Self::Ok, Self::Error> {
         let texts = self.texts.iter().map(String::as_str);
-        self.indexer.index_text_seq(self.document_id, self.attribute, texts);
+        self.indexer
+            .index_text_seq(self.document_id, self.attribute, texts);
         Ok(None)
     }
 }
@@ -321,7 +348,8 @@ impl<'a> ser::SerializeTuple for TupleIndexer<'a> {
     type Error = SerializerError;
 
     fn serialize_element<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
-    where T: Serialize
+    where
+        T: Serialize,
     {
         let text = value.serialize(ConvertToString)?;
         self.texts.push(text);
@@ -330,7 +358,8 @@ impl<'a> ser::SerializeTuple for TupleIndexer<'a> {
 
     fn end(self) -> Result<Self::Ok, Self::Error> {
         let texts = self.texts.iter().map(String::as_str);
-        self.indexer.index_text_seq(self.document_id, self.attribute, texts);
+        self.indexer
+            .index_text_seq(self.document_id, self.attribute, texts);
         Ok(None)
     }
 }

meilidb-core/src/serde/mod.rs

@@ -15,19 +15,19 @@ mod extract_document_id;
 mod indexer;
 mod serializer;
 
-pub use self::deserializer::{Deserializer, DeserializerError};
-pub use self::extract_document_id::{extract_document_id, compute_document_id, value_to_string};
-pub use self::convert_to_string::ConvertToString;
 pub use self::convert_to_number::ConvertToNumber;
+pub use self::convert_to_string::ConvertToString;
+pub use self::deserializer::{Deserializer, DeserializerError};
+pub use self::extract_document_id::{compute_document_id, extract_document_id, value_to_string};
 pub use self::indexer::Indexer;
 pub use self::serializer::Serializer;
 
 use std::collections::BTreeMap;
-use std::{fmt, error::Error};
+use std::{error::Error, fmt};
 
 use meilidb_schema::SchemaAttr;
-use serde_json::Error as SerdeJsonError;
 use serde::ser;
+use serde_json::Error as SerdeJsonError;
 
 use crate::{DocumentId, ParseNumberError};
 
@@ -55,24 +55,24 @@ impl fmt::Display for SerializerError {
         match self {
             SerializerError::DocumentIdNotFound => {
                 f.write_str("serialized document does not have an id according to the schema")
-            },
+            }
             SerializerError::InvalidDocumentIdType => {
                 f.write_str("document identifier can only be of type string or number")
-            },
+            }
             SerializerError::Zlmdb(e) => write!(f, "zlmdb related error: {}", e),
             SerializerError::SerdeJson(e) => write!(f, "serde json error: {}", e),
             SerializerError::ParseNumber(e) => {
                 write!(f, "error while trying to parse a number: {}", e)
-            },
+            }
             SerializerError::UnserializableType { type_name } => {
                 write!(f, "{} is not a serializable type", type_name)
-            },
+            }
             SerializerError::UnindexableType { type_name } => {
                 write!(f, "{} is not an indexable type", type_name)
-            },
+            }
             SerializerError::UnrankableType { type_name } => {
                 write!(f, "{} types can not be used for ranking", type_name)
-            },
+            }
             SerializerError::Custom(s) => f.write_str(s),
         }
     }

meilidb-core/src/serde/serializer.rs

@@ -1,12 +1,12 @@
-use std::collections::HashMap;
 use meilidb_schema::{Schema, SchemaAttr};
 use serde::ser;
+use std::collections::HashMap;
 
-use crate::{DocumentId, RankedMap};
 use crate::raw_indexer::RawIndexer;
 use crate::serde::RamDocumentStore;
+use crate::{DocumentId, RankedMap};
 
-use super::{SerializerError, ConvertToString, ConvertToNumber, Indexer};
+use super::{ConvertToNumber, ConvertToString, Indexer, SerializerError};
 
 pub struct Serializer<'a> {
     pub schema: &'a Schema,
@@ -55,13 +55,18 @@ impl<'a> ser::Serializer for Serializer<'a> {
     }
 
     fn serialize_none(self) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "Option" })
+        Err(SerializerError::UnserializableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_some<T: ?Sized>(self, _value: &T) -> Result<Self::Ok, Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
-        Err(SerializerError::UnserializableType { type_name: "Option" })
+        Err(SerializerError::UnserializableType {
+            type_name: "Option",
+        })
     }
 
     fn serialize_unit(self) -> Result<Self::Ok, Self::Error> {
@@ -69,25 +74,29 @@ impl<'a> ser::Serializer for Serializer<'a> {
     }
 
     fn serialize_unit_struct(self, _name: &'static str) -> Result<Self::Ok, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "unit struct" })
+        Err(SerializerError::UnserializableType {
+            type_name: "unit struct",
+        })
     }
 
     fn serialize_unit_variant(
         self,
         _name: &'static str,
         _variant_index: u32,
-        _variant: &'static str
-    ) -> Result<Self::Ok, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "unit variant" })
+        _variant: &'static str,
+    ) -> Result<Self::Ok, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "unit variant",
+        })
     }
 
     fn serialize_newtype_struct<T: ?Sized>(
         self,
         _name: &'static str,
-        value: &T
+        value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         value.serialize(self)
     }
@@ -97,15 +106,20 @@ impl<'a> ser::Serializer for Serializer<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _value: &T
+        _value: &T,
     ) -> Result<Self::Ok, Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
-        Err(SerializerError::UnserializableType { type_name: "newtype variant" })
+        Err(SerializerError::UnserializableType {
+            type_name: "newtype variant",
+        })
     }
 
     fn serialize_seq(self, _len: Option<usize>) -> Result<Self::SerializeSeq, Self::Error> {
-        Err(SerializerError::UnserializableType { type_name: "sequence" })
+        Err(SerializerError::UnserializableType {
+            type_name: "sequence",
+        })
     }
 
     fn serialize_tuple(self, _len: usize) -> Result<Self::SerializeTuple, Self::Error> {
@@ -115,10 +129,11 @@ impl<'a> ser::Serializer for Serializer<'a> {
     fn serialize_tuple_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleStruct, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "tuple struct" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleStruct, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "tuple struct",
+        })
     }
 
     fn serialize_tuple_variant(
@@ -126,10 +141,11 @@ impl<'a> ser::Serializer for Serializer<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeTupleVariant, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "tuple variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeTupleVariant, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "tuple variant",
+        })
     }
 
     fn serialize_map(self, _len: Option<usize>) -> Result<Self::SerializeMap, Self::Error> {
@@ -147,9 +163,8 @@ impl<'a> ser::Serializer for Serializer<'a> {
     fn serialize_struct(
         self,
         _name: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStruct, Self::Error>
-    {
+        _len: usize,
+    ) -> Result<Self::SerializeStruct, Self::Error> {
         Ok(StructSerializer {
             schema: self.schema,
             document_id: self.document_id,
@@ -165,10 +180,11 @@ impl<'a> ser::Serializer for Serializer<'a> {
         _name: &'static str,
         _variant_index: u32,
         _variant: &'static str,
-        _len: usize
-    ) -> Result<Self::SerializeStructVariant, Self::Error>
-    {
-        Err(SerializerError::UnserializableType { type_name: "struct variant" })
+        _len: usize,
+    ) -> Result<Self::SerializeStructVariant, Self::Error> {
+        Err(SerializerError::UnserializableType {
+            type_name: "struct variant",
+        })
     }
 }
 
@@ -187,7 +203,8 @@ impl<'a> ser::SerializeMap for MapSerializer<'a> {
     type Error = SerializerError;
 
     fn serialize_key<T: ?Sized>(&mut self, key: &T) -> Result<(), Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         let key = key.serialize(ConvertToString)?;
         self.current_key_name = Some(key);
@@ -195,7 +212,8 @@ impl<'a> ser::SerializeMap for MapSerializer<'a> {
     }
 
     fn serialize_value<T: ?Sized>(&mut self, value: &T) -> Result<(), Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         let key = self.current_key_name.take().unwrap();
         self.serialize_entry(&key, value)
@@ -206,7 +224,9 @@ impl<'a> ser::SerializeMap for MapSerializer<'a> {
         key: &K,
         value: &V,
     ) -> Result<(), Self::Error>
-    where K: ser::Serialize, V: ser::Serialize,
+    where
+        K: ser::Serialize,
+        V: ser::Serialize,
     {
         let key = key.serialize(ConvertToString)?;
 
@@ -245,7 +265,8 @@ impl<'a> ser::SerializeStruct for StructSerializer<'a> {
         key: &'static str,
         value: &T,
     ) -> Result<(), Self::Error>
-    where T: ser::Serialize,
+    where
+        T: ser::Serialize,
     {
         serialize_value(
             self.schema,
@@ -274,7 +295,8 @@ fn serialize_value<T: ?Sized>(
     key: &str,
     value: &T,
 ) -> Result<(), SerializerError>
-where T: ser::Serialize,
+where
+    T: ser::Serialize,
 {
     if let Some(attribute) = schema.attribute(key) {
         let props = schema.props(attribute);
@@ -283,7 +305,11 @@ where T: ser::Serialize,
         document_store.set_document_field(document_id, attribute, serialized);
 
         if props.is_indexed() {
-            let indexer = Indexer { attribute, indexer, document_id };
+            let indexer = Indexer {
+                attribute,
+                indexer,
+                document_id,
+            };
             if let Some(number_of_words) = value.serialize(indexer)? {
                 documents_fields_counts.insert((document_id, attribute), number_of_words as u64);
             }