static void methodArgument(final Tree.MethodArgument that, final GenerateJsVisitor gen) {
gen.out("(");
if (that.getBlock() == null) {
singleExprFunction(
that.getParameterLists(),
that.getSpecifierExpression().getExpression(),
that.getScope(),
false,
true,
gen);
} else {
multiStmtFunction(that.getParameterLists(), that.getBlock(), that.getScope(), false, gen);
}
gen.out(")");
}
