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Diffstat (limited to 'src/tools/clippy/src/docs/manual_assert.txt')
-rw-r--r-- | src/tools/clippy/src/docs/manual_assert.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/manual_assert.txt b/src/tools/clippy/src/docs/manual_assert.txt new file mode 100644 index 000000000..93653081a --- /dev/null +++ b/src/tools/clippy/src/docs/manual_assert.txt @@ -0,0 +1,18 @@ +### What it does +Detects `if`-then-`panic!` that can be replaced with `assert!`. + +### Why is this bad? +`assert!` is simpler than `if`-then-`panic!`. + +### Example +``` +let sad_people: Vec<&str> = vec![]; +if !sad_people.is_empty() { + panic!("there are sad people: {:?}", sad_people); +} +``` +Use instead: +``` +let sad_people: Vec<&str> = vec![]; +assert!(sad_people.is_empty(), "there are sad people: {:?}", sad_people); +```
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