Colors management in 16 colors mode (4-bits ANSI).

Detailed Description

Enumerations
enum	clutchlog::fmt::fg {   black = 30, red = 31, green = 32, yellow = 33,   blue = 34, magenta = 35, cyan = 36, white = 37,   bright_black = 90, bright_red = 91, bright_green = 92, bright_yellow = 93,   bright_blue = 94, bright_magenta = 95, bright_cyan = 96, bright_white = 97,   none = -1 }
	Foreground color codes.
enum	clutchlog::fmt::bg {   black = 40, red = 41, green = 42, yellow = 43,   blue = 44, magenta = 45, cyan = 46, white = 47,   bright_black = 100, bright_red = 101, bright_green = 102, bright_yellow = 103,   bright_blue = 104, bright_magenta = 105, bright_cyan = 106, bright_white = 107,   none = -1 }
	Background color codes.

Variables
enum clutchlog::fmt::fg	clutchlog::fmt::fore
	Foreground color.
enum clutchlog::fmt::bg	clutchlog::fmt::back
	Background color.

Friends
std::ostream &	clutchlog::fmt::operator<< (std::ostream &os, const std::tuple< fg, bg, typo > &fbs)
	Output stream operator for a 3-tuple of 16-colors mode tags.
std::ostream &	clutchlog::fmt::operator<< (std::ostream &os, const typo &s)
	Output stream operator for a typo tag alone, in 16-colors mode.