update proc macros2, add proc_macro_diagnostics, remove #![feature(proc_macros)]… (!17) · Merge requests · Federico Mena Quintero / gnome-class

update proc macros2, add proc_macro_diagnostics, remove #![feature(proc_macros)] since it's stable in 1.29

Edited Jul 20, 2018 by Jordan Petridis

update proc macros2, add proc_macro_diagnostics, remove #![feature(proc_macros)]…