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41 lines
1.2 KiB
Plaintext
41 lines
1.2 KiB
Plaintext
LL| |#![feature(coverage_attribute)]
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LL| |//@ edition: 2021
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LL| |//@ compile-flags: -Zcoverage-options=branch
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LL| |//@ llvm-cov-flags: --show-branches=count
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LL| |
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LL| |macro_rules! no_merge {
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LL| | () => {
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LL| | for _ in 0..1 {}
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LL| | };
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LL| |}
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LL| |
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LL| 3|fn let_else(value: Option<&str>) {
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LL| 3| no_merge!();
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LL| |
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LL| 3| let Some(x) = value else {
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^2
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------------------
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| Branch (LL:9): [True: 2, False: 1]
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------------------
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LL| 1| say("none");
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LL| 1| return;
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LL| | };
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LL| |
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LL| 2| say(x);
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LL| 3|}
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LL| |
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LL| |#[coverage(off)]
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LL| |fn say(message: &str) {
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LL| | core::hint::black_box(message);
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LL| |}
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LL| |
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LL| |#[coverage(off)]
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LL| |fn main() {
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LL| | let_else(Some("x"));
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LL| | let_else(Some("x"));
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LL| | let_else(None);
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LL| |}
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LL| |
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LL| |// FIXME(#124118) Actually instrument let-else for branch coverage.
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