rust/tests/ui/large_const_arrays.rs

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//@run-rustfix
2020-02-29 17:41:18 +00:00
#![warn(clippy::large_const_arrays)]
#![allow(dead_code)]
#[derive(Clone, Copy)]
pub struct S {
pub data: [u64; 32],
}
// Should lint
pub(crate) const FOO_PUB_CRATE: [u32; 1_000_000] = [0u32; 1_000_000];
pub const FOO_PUB: [u32; 1_000_000] = [0u32; 1_000_000];
const FOO: [u32; 1_000_000] = [0u32; 1_000_000];
// Good
pub(crate) const G_FOO_PUB_CRATE: [u32; 1_000] = [0u32; 1_000];
pub const G_FOO_PUB: [u32; 1_000] = [0u32; 1_000];
const G_FOO: [u32; 1_000] = [0u32; 1_000];
fn main() {
// Should lint
pub const BAR_PUB: [u32; 1_000_000] = [0u32; 1_000_000];
const BAR: [u32; 1_000_000] = [0u32; 1_000_000];
pub const BAR_STRUCT_PUB: [S; 5_000] = [S { data: [0; 32] }; 5_000];
const BAR_STRUCT: [S; 5_000] = [S { data: [0; 32] }; 5_000];
pub const BAR_S_PUB: [Option<&str>; 200_000] = [Some("str"); 200_000];
const BAR_S: [Option<&str>; 200_000] = [Some("str"); 200_000];
// Good
pub const G_BAR_PUB: [u32; 1_000] = [0u32; 1_000];
const G_BAR: [u32; 1_000] = [0u32; 1_000];
pub const G_BAR_STRUCT_PUB: [S; 500] = [S { data: [0; 32] }; 500];
const G_BAR_STRUCT: [S; 500] = [S { data: [0; 32] }; 500];
pub const G_BAR_S_PUB: [Option<&str>; 200] = [Some("str"); 200];
const G_BAR_S: [Option<&str>; 200] = [Some("str"); 200];
}