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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! +} +``` |