23 lines
528 B
Rust
23 lines
528 B
Rust
//@ run-pass
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// Ensures that single-word environments work right in unboxed closures.
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// These take a different path in codegen.
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fn a<F:Fn(isize, isize) -> isize>(f: F) -> isize {
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f(1, 2)
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}
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fn b<F:FnMut(isize, isize) -> isize>(mut f: F) -> isize {
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f(3, 4)
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}
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fn c<F:FnOnce(isize, isize) -> isize>(f: F) -> isize {
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f(5, 6)
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}
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fn main() {
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let z = 10;
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assert_eq!(a(move |x: isize, y| x + y + z), 13);
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assert_eq!(b(move |x: isize, y| x + y + z), 17);
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assert_eq!(c(move |x: isize, y| x + y + z), 21);
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}
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