diff options
Diffstat (limited to 'tests/ui/cast/cast-as-bool.rs')
-rw-r--r-- | tests/ui/cast/cast-as-bool.rs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/tests/ui/cast/cast-as-bool.rs b/tests/ui/cast/cast-as-bool.rs new file mode 100644 index 000000000..fbebc80d9 --- /dev/null +++ b/tests/ui/cast/cast-as-bool.rs @@ -0,0 +1,13 @@ +fn main() { + let u = 5 as bool; //~ ERROR cannot cast as `bool` + //~| HELP compare with zero instead + //~| SUGGESTION 5 != 0 + + let t = (1 + 2) as bool; //~ ERROR cannot cast as `bool` + //~| HELP compare with zero instead + //~| SUGGESTION (1 + 2) != 0 + + let v = "hello" as bool; + //~^ ERROR casting `&'static str` as `bool` is invalid + //~| HELP consider using the `is_empty` method on `&'static str` to determine if it contains anything +} |