rust-lang/rfcs — pull request #329 by huonw (2014-09-28 00:32:09+00:00)
Title: Future proof number literals by eating longer suffixes.

### Summary

Tokenize number literal suffixes more eagerly to allow future
expansion. That is, tokenise a literal suffix as `[uif][0-9]*` rather
than the specific list we currently have.

[rendered](https://github.com/huonw/rfcs/blob/future-proof-number-literals/active/0000-future-proof-number-literals.md)