From a4b7ed7a42c716ab9f05e351f003d589124fd55d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 17 Apr 2024 14:18:58 +0200 Subject: Adding upstream version 1.68.2+dfsg1. Signed-off-by: Daniel Baumann --- .../traits/multidispatch-infer-convert-target.rs | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 tests/ui/traits/multidispatch-infer-convert-target.rs (limited to 'tests/ui/traits/multidispatch-infer-convert-target.rs') diff --git a/tests/ui/traits/multidispatch-infer-convert-target.rs b/tests/ui/traits/multidispatch-infer-convert-target.rs new file mode 100644 index 000000000..626e1ae71 --- /dev/null +++ b/tests/ui/traits/multidispatch-infer-convert-target.rs @@ -0,0 +1,36 @@ +// run-pass +// Test that we can infer the Target based on the Self or vice versa. + + +use std::mem; + +trait Convert { + fn convert(&self) -> Target; +} + +impl Convert for i16 { + fn convert(&self) -> u32 { + *self as u32 + } +} + +impl Convert for u32 { + fn convert(&self) -> i16 { + *self as i16 + } +} + +fn test(_: T, _: U, t_size: usize, u_size: usize) +where T : Convert +{ + assert_eq!(mem::size_of::(), t_size); + assert_eq!(mem::size_of::(), u_size); +} + +fn main() { + // T = i16, U = u32 + test(22_i16, Default::default(), 2, 4); + + // T = u32, U = i16 + test(22_u32, Default::default(), 4, 2); +} -- cgit v1.2.3