mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 15:14:29 +00:00
103 lines
2.8 KiB
Rust
103 lines
2.8 KiB
Rust
//@aux-build:proc_macros.rs
|
|
#![allow(clippy::no_effect, clippy::useless_vec, unused)]
|
|
#![warn(clippy::tuple_array_conversions)]
|
|
|
|
#[macro_use]
|
|
extern crate proc_macros;
|
|
|
|
fn main() {
|
|
let x = [1, 2];
|
|
let x = (x[0], x[1]);
|
|
let x = [x.0, x.1];
|
|
let x = &[1, 2];
|
|
let x = (x[0], x[1]);
|
|
|
|
let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
|
|
let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
|
|
t1.iter().for_each(|&(a, b)| _ = [a, b]);
|
|
let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
|
|
t1.iter().for_each(|&(a, b)| _ = [a, b]);
|
|
// Do not lint
|
|
let v2: Vec<[u32; 2]> = t1.iter().map(|&t| t.into()).collect();
|
|
let t3: Vec<(u32, u32)> = v2.iter().map(|&v| v.into()).collect();
|
|
let x = [1; 13];
|
|
let x = (
|
|
x[0], x[1], x[2], x[3], x[4], x[5], x[6], x[7], x[8], x[9], x[10], x[11], x[12],
|
|
);
|
|
let x = [x.0, x.1, x.2, x.3, x.4, x.5, x.6, x.7, x.8, x.9, x.10, x.11, x.12];
|
|
let x = (1, 2);
|
|
let x = (x.0, x.1);
|
|
let x = [1, 2];
|
|
let x = [x[0], x[1]];
|
|
let x = vec![1, 2];
|
|
let x = (x[0], x[1]);
|
|
let x = [1; 3];
|
|
let x = (x[0],);
|
|
let x = (1, 2, 3);
|
|
let x = [x.0];
|
|
let x = (1, 2);
|
|
let y = (1, 2);
|
|
[x.0, y.0];
|
|
[x.0, y.1];
|
|
let x = [x.0, x.0];
|
|
let x = (x[0], x[0]);
|
|
external! {
|
|
let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
|
|
let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
|
|
let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
|
|
}
|
|
with_span! {
|
|
span
|
|
let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
|
|
let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
|
|
let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
|
|
}
|
|
// FP #11082; needs discussion
|
|
let (a, b) = (1.0f64, 2.0f64);
|
|
let _: &[f64] = &[a, b];
|
|
// FP #11085; impossible to fix
|
|
let [src, dest]: [_; 2] = [1, 2];
|
|
(src, dest);
|
|
// FP #11100
|
|
fn issue_11100_array_to_tuple(this: [&mut i32; 2]) -> (&i32, &mut i32) {
|
|
let [input, output] = this;
|
|
(input, output)
|
|
}
|
|
|
|
fn issue_11100_tuple_to_array<'a>(this: (&'a mut i32, &'a mut i32)) -> [&'a i32; 2] {
|
|
let (input, output) = this;
|
|
[input, output]
|
|
}
|
|
// FP #11124
|
|
// tuple=>array
|
|
let (a, b) = (1, 2);
|
|
[a, b];
|
|
let x = a;
|
|
// array=>tuple
|
|
let [a, b] = [1, 2];
|
|
(a, b);
|
|
let x = a;
|
|
// FP #11144
|
|
let (a, (b, c)) = (1, (2, 3));
|
|
[a, c];
|
|
let [[a, b], [c, d]] = [[1, 2], [3, 4]];
|
|
(a, c);
|
|
}
|
|
|
|
#[clippy::msrv = "1.70.0"]
|
|
fn msrv_too_low() {
|
|
let x = [1, 2];
|
|
let x = (x[0], x[1]);
|
|
let x = [x.0, x.1];
|
|
let x = &[1, 2];
|
|
let x = (x[0], x[1]);
|
|
}
|
|
|
|
#[clippy::msrv = "1.71.0"]
|
|
fn msrv_juust_right() {
|
|
let x = [1, 2];
|
|
let x = (x[0], x[1]);
|
|
let x = [x.0, x.1];
|
|
let x = &[1, 2];
|
|
let x = (x[0], x[1]);
|
|
}
|