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18 lines
275 B
Rust
18 lines
275 B
Rust
// run-pass
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// Check that safe fns are not a subtype of unsafe fns.
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fn foo(x: i32) -> i32 {
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x * 22
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}
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fn bar(x: fn(i32) -> i32) -> unsafe fn(i32) -> i32 {
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x // OK, coercion!
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}
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fn main() {
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let f = bar(foo);
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let x = unsafe { f(2) };
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assert_eq!(x, 44);
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}
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