25 lines
708 B
Rust
25 lines
708 B
Rust
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use std::{error, fmt};
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pub type SResult<T> = Result<T, Error>;
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#[derive(Debug)]
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pub enum Error {
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FieldNameNotFound(String),
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PrimaryKeyAlreadyPresent,
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MaxFieldsLimitExceeded,
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}
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impl fmt::Display for Error {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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use self::Error::*;
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match self {
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FieldNameNotFound(field) => write!(f, "The field {:?} doesn't exist", field),
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PrimaryKeyAlreadyPresent => write!(f, "The schema already have an primary key. It's impossible to update it"),
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MaxFieldsLimitExceeded => write!(f, "The maximum of possible reattributed field id has been reached"),
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}
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}
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}
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impl error::Error for Error {}
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