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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/E0381.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/E0381.md')
-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0381.md | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0381.md b/compiler/rustc_error_codes/src/error_codes/E0381.md new file mode 100644 index 000000000..976780099 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0381.md @@ -0,0 +1,20 @@ +It is not allowed to use or capture an uninitialized variable. + +Erroneous code example: + +```compile_fail,E0381 +fn main() { + let x: i32; + let y = x; // error, use of possibly-uninitialized variable +} +``` + +To fix this, ensure that any declared variables are initialized before being +used. Example: + +``` +fn main() { + let x: i32 = 0; + let y = x; // ok! +} +``` |