a function!() macro like C99's __func__ would be useful in addition to file!() and line!()

[glycerine]

the title says it all; especially if there is good information in the function name, being able to know the function name inside another macro would be quite useful.

[reem]

Triage: This has been formally proposed in rust-lang/rfcs#466

[steveklabnik]

Closing in favor of RFC issue.