af method
Implementation
String af(String txt, ChalkFtFace ftFace) {
switch (ftFace) {
case ChalkFtFace.bold:
return style(Mod.bold, str: txt);
case ChalkFtFace.italic:
return style(Mod.italic, str: txt);
case ChalkFtFace.underLine:
return style(Mod.underline, str: txt);
case ChalkFtFace.strikeThrough:
return style(Mod.strikeThrough, str: txt);
case ChalkFtFace.overline:
return style(Mod.overline, str: txt);
}
}