macros: improve 1.0/2.0 interaction#46551

Merged

bors merged 2 commits intorust-lang:masterfrom jseyfried:improve_legacy_modern_macro_interaction

Jan 12, 2018

+217-9

Commits on Dec 13, 2017

Improve interaction between macros 2.0 and macro_rules!.
jseyfried
committed
Add example of making an unhygienic macro hygienic by wrapping it in a declarative macro.
jseyfried
committed