Odin v0.5.0

Changes

• C-style varargs
  • #c_vararg
• foreign declaration blocks

foreign libc {
	var errno: i32;
	proc c_printf(fmt: ^u8, #c_vararg args: ..any) -> i32 #cc_c #link_name "printf";
}

• expand_to_tuple
• Default procedure arguments

proc hello(a: int = 9, b = 9) {
	fmt.printf("a is %d; b is %d\n", a, b);
}

• Default return values

proc foo(x: int) -> (first: string = "Hellope", second = "world!") {
	return;
}

• Named procedure arguments
  • hello(b = 123, a = 321);
• Named return values
  • return a = 123, b = "blah";
• #location() and #caller_location
• Explicit parametric polymorphic procedures
  • proc new(T: type) -> ^T { ... };
• Command line arguments
  • -opt=0,1,2,3