setForegroundExtendedColor method
Sets the foreground to one of 256 extended ANSI colors.
See https://en.wikipedia.org/wiki/ANSI_escape_code#8-bit for
the full set of colors. You may also run examples/demo.dart
for this
package, which provides a sample of each color in this list.
Implementation
void setForegroundExtendedColor(int colorValue) {
assert(colorValue >= 0 && colorValue <= 0xFF,
'Color must be a value between 0 and 255.');
stdout.write(ansiSetExtendedForegroundColor(colorValue));
}