tree 7ea7b88f8cbd83fad07a5de22952006ae5e914dc
parent 662d8ab996cac7da474ab497556ce90901fe992e
author Mark de Wever <koraq@xs4all.nl> 1606414338 +0100
committer Copybara-Service <copybara-worker@google.com> 1611866099 -0800

[libc++] Implement format_error.

This is the first step at implementing <format>. It adds the <format> header
and implements the `format_error`. class.

Implemnts parts of:
-P0645 Text Formatting

Reviewed By: ldionne, #libc, miscco, curdeius

Differential Revision: https://reviews.llvm.org/D92214

GitOrigin-RevId: 081c1db02dd2b48cf736d44862f7d7e8c2869577