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// Test that we give a note when the old LUB/GLB algorithm would have
// succeeded but the new code (which requires equality) gives an
// error. However, now that we handle subtyping correctly, we no
// longer get an error, because we recognize these two types as
// equivalent!
//
// check-pass
fn foo(x: fn(&u8, &u8), y: for<'a> fn(&'a u8, &'a u8)) {
// The two types above are actually equivalent. With the older
// leak check, though, we didn't consider them as equivalent, and
// hence we gave errors. But now we've fixed that.
let z = match 22 {
0 => x,
_ => y,
};
}
fn foo_cast(x: fn(&u8, &u8), y: for<'a> fn(&'a u8, &'a u8)) {
let z = match 22 {
// No error with an explicit cast:
0 => x as for<'a> fn(&'a u8, &'a u8),
_ => y,
};
}
fn main() {}
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