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Procedural macro to implement Display and FromStr using common settings.

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frozenlib/parse-display

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parse-display

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This crate provides derive macro Display and FromStr. These macros use common helper attributes to specify the format.

Install

Add this to your Cargo.toml:

[dependencies]
parse-display = "0.10.0"

Documentation

See #[derive(Display)] documentation for details.

Example

use parse_display::{Display, FromStr};

#[derive(Display, FromStr, PartialEq, Debug)]
#[display("{a}-{b}")]
struct X {
  a: u32,
  b: u32,
}
assert_eq!(X { a:10, b:20 }.to_string(), "10-20");
assert_eq!("10-20".parse(), Ok(X { a:10, b:20 }));


#[derive(Display, FromStr, PartialEq, Debug)]
#[display(style = "snake_case")]
enum Y {
  VarA,
  VarB,
}
assert_eq!(Y::VarA.to_string(), "var_a");
assert_eq!("var_a".parse(), Ok(Y::VarA));

License

This project is dual licensed under Apache-2.0/MIT. See the two LICENSE-* files for details.

Contribution

Unless you explicitly state otherwise, any contribution intentionally submitted for inclusion in the work by you, as defined in the Apache-2.0 license, shall be dual licensed as above, without any additional terms or conditions.

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Procedural macro to implement Display and FromStr using common settings.

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License

Apache-2.0, MIT licenses found

Licenses found

Apache-2.0
LICENSE-APACHE
MIT
LICENSE-MIT

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