Suggest fn if fun, func, function or def is used instead #99751
Description
Given the following code:
func foo() -> i32 { 123 } function foo() -> i32 { 123 }The current output is:
Compiling playground v0.0.1 (/playground) error: expected one of `!` or `::`, found `foo` --> src/main.rs:1:6 | 1 | func foo() -> i32 { | ^^^ expected one of `!` or `::` error: could not compile `playground` due to previous error Ideally the error message should suggest replacing func or function with fn.
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Area: Messages for errors, warnings, and lintsCall for participation: Easy difficulty. Experience needed to fix: Not much. Good first issue.Call for participation: This issue has a mentor. Use #t-compiler/help on Zulip for discussion.Relevant to the compiler team, which will review and decide on the PR/issue.