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Diffstat (limited to 'src/tools/clippy/src/docs/bool_to_int_with_if.txt')
-rw-r--r-- | src/tools/clippy/src/docs/bool_to_int_with_if.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/src/tools/clippy/src/docs/bool_to_int_with_if.txt b/src/tools/clippy/src/docs/bool_to_int_with_if.txt new file mode 100644 index 000000000..63535b454 --- /dev/null +++ b/src/tools/clippy/src/docs/bool_to_int_with_if.txt @@ -0,0 +1,26 @@ +### What it does +Instead of using an if statement to convert a bool to an int, +this lint suggests using a `from()` function or an `as` coercion. + +### Why is this bad? +Coercion or `from()` is idiomatic way to convert bool to a number. +Both methods are guaranteed to return 1 for true, and 0 for false. + +See https://doc.rust-lang.org/std/primitive.bool.html#impl-From%3Cbool%3E + +### Example +``` +if condition { + 1_i64 +} else { + 0 +}; +``` +Use instead: +``` +i64::from(condition); +``` +or +``` +condition as i64; +```
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