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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /compiler/rustc_error_codes/src/error_codes/E0054.md | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_error_codes/src/error_codes/E0054.md')
-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0054.md | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0054.md b/compiler/rustc_error_codes/src/error_codes/E0054.md new file mode 100644 index 000000000..c3eb375fb --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0054.md @@ -0,0 +1,20 @@ +It is not allowed to cast to a bool. + +Erroneous code example: + +```compile_fail,E0054 +let x = 5; + +// Not allowed, won't compile +let x_is_nonzero = x as bool; +``` + +If you are trying to cast a numeric type to a bool, you can compare it with +zero instead: + +``` +let x = 5; + +// Ok +let x_is_nonzero = x != 0; +``` |