Philipp Hansch ff98e3f9f5
Fix useless_format false positive with macros
Clippy was issuing a warning when `format!` was used inside a macro.
That's a problem because macros have different syntax and can be outside
the control of the user.

This skips the `useless_format` check if the `format!` call is inside a
macro.
2018-04-05 07:52:26 +02:00
..
2018-03-16 10:54:49 +01:00
2018-03-16 10:54:49 +01:00
2018-03-16 10:54:49 +01:00
2018-03-16 10:54:49 +01:00