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-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0226.md | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0226.md b/compiler/rustc_error_codes/src/error_codes/E0226.md new file mode 100644 index 000000000..4e65132ff --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0226.md @@ -0,0 +1,21 @@ +More than one explicit lifetime bound was used on a trait object. + +Example of erroneous code: + +```compile_fail,E0226 +trait Foo {} + +type T<'a, 'b> = dyn Foo + 'a + 'b; // error: Trait object `arg` has two + // lifetime bound, 'a and 'b. +``` + +Here `T` is a trait object with two explicit lifetime bounds, 'a and 'b. + +Only a single explicit lifetime bound is permitted on trait objects. +To fix this error, consider removing one of the lifetime bounds: + +``` +trait Foo {} + +type T<'a> = dyn Foo + 'a; +``` |