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Diffstat (limited to 'compiler/rustc_error_codes/src/error_codes/E0628.md')
-rw-r--r-- | compiler/rustc_error_codes/src/error_codes/E0628.md | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/compiler/rustc_error_codes/src/error_codes/E0628.md b/compiler/rustc_error_codes/src/error_codes/E0628.md new file mode 100644 index 000000000..40040c9a5 --- /dev/null +++ b/compiler/rustc_error_codes/src/error_codes/E0628.md @@ -0,0 +1,30 @@ +More than one parameter was used for a generator. + +Erroneous code example: + +```compile_fail,E0628 +#![feature(generators, generator_trait)] + +fn main() { + let generator = |a: i32, b: i32| { + // error: too many parameters for a generator + // Allowed only 0 or 1 parameter + yield a; + }; +} +``` + +At present, it is not permitted to pass more than one explicit +parameter for a generator.This can be fixed by using +at most 1 parameter for the generator. For example, we might resolve +the previous example by passing only one parameter. + +``` +#![feature(generators, generator_trait)] + +fn main() { + let generator = |a: i32| { + yield a; + }; +} +``` |