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