r272718 - in /trunk/libstdc++-v3: ChangeLog inc...

[redi@gcc.gnu.org]

Author: redi
Date: Wed Jun 26 22:54:38 2019
New Revision: 272718

URL: https://gcc.gnu.org/viewcvs?rev=272718&root=gcc&view=rev
Log:
Define std::chars_format enumeration type

This type isn't used anywhere yet, but will be needed for the
floating-point overloads of to_chars and from_chars.

	* include/std/charconv (chars_format): Define bitmask type.
	* testsuite/20_util/to_chars/chars_format.cc: New test.

Added:
    trunk/libstdc++-v3/testsuite/20_util/to_chars/chars_format.cc
Modified:
    trunk/libstdc++-v3/ChangeLog
    trunk/libstdc++-v3/include/std/charconv