enum FOO
	FOO_A,
	FOO_B,
	FOO_C
endenum

function bar( a := FOO_B )
	print( "a=" + a );
endfunction

bar(1);
bar(2);
bar();
bar(FOO_C);
/**** Expected Output Begins: *****
1
2
1
2
*****  Expected Output Ends   ****/