67cc89f38d
Issue #352 Closes #1720 The old checker would happily accept things like 'alt x { @some(a) { a } }'. It now properly descends into patterns, checks exhaustiveness of booleans, and complains when number/string patterns aren't exhaustive.
19 lines
390 B
Rust
19 lines
390 B
Rust
|
|
|
|
|
|
// -*- rust -*-
|
|
type compare<T> = fn@(@T, @T) -> bool;
|
|
|
|
fn test_generic<T>(expected: @T, eq: compare<T>) {
|
|
let actual: @T = alt check true { true { expected } };
|
|
assert (eq(expected, actual));
|
|
}
|
|
|
|
fn test_box() {
|
|
fn compare_box(b1: @bool, b2: @bool) -> bool { ret *b1 == *b2; }
|
|
let eq = compare_box(_, _);
|
|
test_generic::<bool>(@true, eq);
|
|
}
|
|
|
|
fn main() { test_box(); }
|