interpret method
Implementation
@override
String interpret(EditorContext context) {
var buffer = StringBuffer();
buffer.write(context.indent());
String sourceValue;
if (source is IExpression) {
sourceValue = _getStringFromExpression(context, source);
} else {
sourceValue = source;
}
buffer.writeln('$dest =${isAsync ? ' await' : ''} $sourceValue'.putSemicolon);
return buffer.toString();
}