diff options
Diffstat (limited to 'src/test/ui/transmutability/arrays/issue-103783-array-length.rs')
-rw-r--r-- | src/test/ui/transmutability/arrays/issue-103783-array-length.rs | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/test/ui/transmutability/arrays/issue-103783-array-length.rs b/src/test/ui/transmutability/arrays/issue-103783-array-length.rs new file mode 100644 index 000000000..cb36e539e --- /dev/null +++ b/src/test/ui/transmutability/arrays/issue-103783-array-length.rs @@ -0,0 +1,24 @@ +#![crate_type = "lib"] +#![feature(transmutability)] +#![allow(dead_code)] + +mod assert { + use std::mem::{Assume, BikeshedIntrinsicFrom}; + pub struct Context; + + pub fn is_maybe_transmutable<Src, Dst>() + where + Dst: BikeshedIntrinsicFrom< + Src, + Context, + { Assume { alignment: true, lifetimes: true, safety: true, validity: true } }, + >, + { + } +} + +fn test() { + type NaughtyLenArray = [u32; 3.14159]; //~ ERROR mismatched types + type JustUnit = (); + assert::is_maybe_transmutable::<JustUnit, NaughtyLenArray>(); +} |