4 releases
0.1.3 | Dec 22, 2019 |
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0.1.2 | Dec 18, 2019 |
0.1.1 | Dec 16, 2019 |
0.1.0 | Dec 16, 2019 |
#327 in No standard library
5KB
This procedural macro crate provides a way to construct and annotate tuple types like arrays in Rust.
Usage
!#[feature(proc_macro_hygiene)] // required for expansion to expressions
use fast_tuple::tuple;
fn main() {
let tuple: tuple!(u32; 2) = tuple!(2; 2);
println!("{}, {}", tuple.0, tuple.1); // prints 2, 2
}
Version
This is a nigthly-only crate at the moment, unless you only use it for annotate types,this macro is also no_std only when debug assertions are disabled.
lib.rs
:
This procedural macro crate serves the purporse of construct a tuple thought the array-like [T; N] syntax,where T can be a type for annotate or an expression and N is the number of times T repeats.
This macro is no_std with debug assertions disabled.