24 releases (breaking)
new 0.20.0 | Mar 26, 2024 |
---|---|
0.18.0 | Mar 16, 2024 |
0.8.0 | Dec 9, 2023 |
0.7.0 | Oct 28, 2023 |
0.1.5 | Jul 15, 2022 |
#1424 in Development tools
8,978 downloads per month
Used in 81 crates
(5 directly)
45KB
554 lines
Module :: derive_tools
Basic use-case
# #[ cfg( all( feature = "derive_from", feature = "derive_inner_from", feature = "derive_display", feature = "derive_from_str" ) ) ]
{
use derive_tools::*;
#[ derive( From, InnerFrom, Display, FromStr, PartialEq, Debug ) ]
#[ display( "{a}-{b}" ) ]
struct Struct1
{
a : i32,
b : i32,
}
// derived InnerFrom
let src = Struct1 { a : 1, b : 3 };
let got : ( i32, i32 ) = src.into();
let exp = ( 1, 3 );
assert_eq!( got, exp );
// derived From
let src : Struct1 = ( 1, 3 ).into();
let got : ( i32, i32 ) = src.into();
let exp = ( 1, 3 );
assert_eq!( got, exp );
// derived Display
let src = Struct1 { a : 1, b : 3 };
let got = format!( "{}", src );
let exp = "1-3";
println!( "{}", got );
assert_eq!( got, exp );
// derived FromStr
use std::str::FromStr;
let src = Struct1::from_str( "1-3" );
let exp = Ok( Struct1 { a : 1, b : 3 } );
assert_eq!( src, exp );
}
To add to your project
cargo add derive_tools
Try out from the repository
git clone https://github.com/Wandalen/wTools
cd wTools
cd examples/derive_tools_trivial
cargo run
Dependencies
~0.8–2MB
~39K SLoC