non_ascii_idents

The tracking issue for this feature is: #28979


The non_ascii_idents feature adds support for non-ASCII identifiers.

Examples

# #![allow(unused_variables)]
#![feature(non_ascii_idents)]

#fn main() {
const ε: f64 = 0.00001f64;
const Π: f64 = 3.14f64;

#}