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Test that Option<Flag<T>> doesn't apply any layout optimization

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2015-05-24 23:53:02 +02:00
parent 0e00fbccf1
commit 6d02ab3980
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nodrop/src/lib.rs
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@@ -89,6 +89,7 @@ fn test_no_nonnullable_opt() {
// as Option would do. // as Option would do.
assert!(mem::size_of::<Flag<&i32>>() > mem::size_of::<&i32>()); assert!(mem::size_of::<Flag<&i32>>() > mem::size_of::<&i32>());
assert!(mem::size_of::<Flag<Vec<i32>>>() > mem::size_of::<Vec<i32>>()); assert!(mem::size_of::<Flag<Vec<i32>>>() > mem::size_of::<Vec<i32>>());
assert!(mem::size_of::<Option<Flag<&i32>>>() > mem::size_of::<Flag<&i32>>());
} }
#[test] #[test]