byCode static method
Implementation
static ControlFunctionsC1? byCode(String code) {
if (code.length == 2 &&
code.codeUnitAt(0) == ControlFunctionsC0.ESC.index) {
final index = code.codeUnitAt(1) - 0x40;
return index >= 0 && index < values.length ? values[index] : null;
}
return null;
}