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-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0449.md | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0449.md b/compiler/rustc_error_codes/src/error_codes/E0449.md new file mode 100644 index 000000000..9afc67689 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0449.md @@ -0,0 +1,38 @@ +A visibility qualifier was used when it was unnecessary. + +Erroneous code examples: + +```compile_fail,E0449 +struct Bar; + +trait Foo { + fn foo(); +} + +pub impl Bar {} // error: unnecessary visibility qualifier + +pub impl Foo for Bar { // error: unnecessary visibility qualifier + pub fn foo() {} // error: unnecessary visibility qualifier +} +``` + +To fix this error, please remove the visibility qualifier when it is not +required. Example: + +``` +struct Bar; + +trait Foo { + fn foo(); +} + +// Directly implemented methods share the visibility of the type itself, +// so `pub` is unnecessary here +impl Bar {} + +// Trait methods share the visibility of the trait, so `pub` is +// unnecessary in either case +impl Foo for Bar { + fn foo() {} +} +``` |