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rust-clippy/tests/ui/large_stack_arrays.rs
Areredify 7fddac0404 Add new lint: large stack array
added documentation

minor style fix

change as to ::from

add ignore to doc

include threshold in lint message/make suggestion more apparent/use Scalar api instead of matching

style fix

shange snippet_opt to snippet
2019-11-13 21:44:29 +03:00

30 lines
515 B
Rust

#![warn(clippy::large_stack_arrays)]
#![allow(clippy::large_enum_variant)]
#[derive(Clone, Copy)]
struct S {
pub data: [u64; 32],
}
#[derive(Clone, Copy)]
enum E {
S(S),
T(u32),
}
fn main() {
let bad = (
[0u32; 20_000_000],
[S { data: [0; 32] }; 5000],
[Some(""); 20_000_000],
[E::T(0); 5000],
);
let good = (
[0u32; 1000],
[S { data: [0; 32] }; 1000],
[Some(""); 1000],
[E::T(0); 1000],
[(); 20_000_000],
);
}