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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs b/src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs new file mode 100644 index 000000000..fbd895015 --- /dev/null +++ b/src/test/ui/regions/regions-infer-contravariance-due-to-ret.rs @@ -0,0 +1,22 @@ +// run-pass +#![allow(non_camel_case_types)] + + +struct boxed_int<'a> { + f: &'a isize, +} + +fn max<'r>(bi: &'r boxed_int, f: &'r isize) -> isize { + if *bi.f > *f {*bi.f} else {*f} +} + +fn with(bi: &boxed_int) -> isize { + let i = 22; + max(bi, &i) +} + +pub fn main() { + let g = 21; + let foo = boxed_int { f: &g }; + assert_eq!(with(&foo), 22); +} |