rust/tests/mir-opt/or_pattern.rs

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2024-03-02 19:22:37 -06:00
// skip-filecheck
// EMIT_MIR or_pattern.shortcut_second_or.SimplifyCfg-initial.after.mir
fn shortcut_second_or() {
// Check that after matching `0`, failing to match `2 | 3` skips trying to match `(1, 2 | 3)`.
match ((0, 0), 0) {
(x @ (0, _) | x @ (_, 1), y @ 2 | y @ 3) => {}
_ => {}
}
}
// EMIT_MIR or_pattern.single_switchint.SimplifyCfg-initial.after.mir
fn single_switchint() {
// Check how many `SwitchInt`s we do. In theory a single one is necessary.
match (1, true) {
(1, true) => 1,
(2, false) => 2,
(1 | 2, true | false) => 3,
(3 | 4, true | false) => 4,
_ => 5,
};
}
fn main() {}