condition method
Implementation
void condition(
Loop element,
StringSink output,
) {
switch (element.kind) {
case LoopKind.for_:
output.write(' for (');
break;
case LoopKind.while_:
case LoopKind.doWhile:
output.write(' while (');
break;
}
ElementEmitter(context).emit(element.clause, output);
output.write(')');
}