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Diffstat (limited to 'src/test/ui/generator/niche-in-generator.rs')
-rw-r--r-- | src/test/ui/generator/niche-in-generator.rs | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/test/ui/generator/niche-in-generator.rs b/src/test/ui/generator/niche-in-generator.rs new file mode 100644 index 000000000..42bee81f5 --- /dev/null +++ b/src/test/ui/generator/niche-in-generator.rs @@ -0,0 +1,19 @@ +// Test that niche finding works with captured generator upvars. + +// run-pass + +#![feature(generators)] + +use std::mem::size_of_val; + +fn take<T>(_: T) {} + +fn main() { + let x = false; + let gen1 = || { + yield; + take(x); + }; + + assert_eq!(size_of_val(&gen1), size_of_val(&Some(gen1))); +} |