toOp method
Implementation
Op toOp() {
switch (this) {
case 'add':
return Op.add;
case 'remove':
return Op.remove;
case 'replace':
return Op.replace;
case 'move':
return Op.move;
case 'copy':
return Op.copy;
case 'test':
return Op.test;
}
throw Exception('$this is not known in enum Op');
}