mirror of
https://github.com/rust-lang/rust-clippy
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108 lines
3 KiB
Rust
108 lines
3 KiB
Rust
//@aux-build:proc_macros.rs
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#![allow(clippy::no_effect, clippy::useless_vec, unused)]
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#![warn(clippy::tuple_array_conversions)]
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#[macro_use]
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extern crate proc_macros;
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fn main() {
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let x = [1, 2];
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let x = (x[0], x[1]);
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let x = [x.0, x.1];
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let x = &[1, 2];
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let x = (x[0], x[1]);
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let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
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let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
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t1.iter().for_each(|&(a, b)| _ = [a, b]);
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let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
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t1.iter().for_each(|&(a, b)| _ = [a, b]);
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// Do not lint
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let v2: Vec<[u32; 2]> = t1.iter().map(|&t| t.into()).collect();
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let t3: Vec<(u32, u32)> = v2.iter().map(|&v| v.into()).collect();
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let x = [1; 13];
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let x = (
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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],
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);
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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];
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let x = (1, 2);
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let x = (x.0, x.1);
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let x = [1, 2];
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let x = [x[0], x[1]];
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let x = vec![1, 2];
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let x = (x[0], x[1]);
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let x = [1; 3];
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let x = (x[0],);
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let x = (1, 2, 3);
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let x = [x.0];
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let x = (1, 2);
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let y = (1, 2);
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[x.0, y.0];
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[x.0, y.1];
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let x = [x.0, x.0];
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let x = (x[0], x[0]);
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external! {
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let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
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let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
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let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
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}
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with_span! {
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span
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let t1: &[(u32, u32)] = &[(1, 2), (3, 4)];
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let v1: Vec<[u32; 2]> = t1.iter().map(|&(a, b)| [a, b]).collect();
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let t2: Vec<(u32, u32)> = v1.iter().map(|&[a, b]| (a, b)).collect();
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}
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// FP #11082; needs discussion
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let (a, b) = (1.0f64, 2.0f64);
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let _: &[f64] = &[a, b];
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// FP #11085; impossible to fix
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let [src, dest]: [_; 2] = [1, 2];
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(src, dest);
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// FP #11100
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fn issue_11100_array_to_tuple(this: [&mut i32; 2]) -> (&i32, &mut i32) {
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let [input, output] = this;
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(input, output)
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}
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fn issue_11100_tuple_to_array<'a>(this: (&'a mut i32, &'a mut i32)) -> [&'a i32; 2] {
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let (input, output) = this;
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[input, output]
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}
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// FP #11124
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// tuple=>array
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let (a, b) = (1, 2);
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[a, b];
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let x = a;
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// array=>tuple
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let [a, b] = [1, 2];
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(a, b);
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let x = a;
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// FP #11144
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let (a, (b, c)) = (1, (2, 3));
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[a, c];
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let [[a, b], [c, d]] = [[1, 2], [3, 4]];
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(a, c);
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// Array length is not usize (#11144)
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fn generic_array_length<const N: usize>() {
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let src = [0; N];
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let dest: (u8,) = (src[0],);
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}
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}
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#[clippy::msrv = "1.70.0"]
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fn msrv_too_low() {
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let x = [1, 2];
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let x = (x[0], x[1]);
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let x = [x.0, x.1];
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let x = &[1, 2];
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let x = (x[0], x[1]);
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}
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#[clippy::msrv = "1.71.0"]
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fn msrv_juust_right() {
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let x = [1, 2];
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let x = (x[0], x[1]);
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let x = [x.0, x.1];
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let x = &[1, 2];
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let x = (x[0], x[1]);
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}
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