Best viable overloading procedure algorithm; no_alias; call expr style casts

code/demo.odin

@@ -2,9 +2,23 @@
 #import "fmt.odin";
 #import "math.odin";
 #import "mem.odin";
-#import "opengl.odin";
 
 main :: proc() {
+	foo :: proc(x: ^int) {
+		fmt.println("^int");
+	}
+	foo :: proc(x: rawptr) {
+		fmt.println("rawptr");
+	}
+
+	a: ^int;
+	b: ^f32;
+	c: rawptr;
+	foo(a);
+	foo(b);
+	foo(c);
+	// foo(nil);
+
 	foo :: proc() {
 		fmt.printf("Zero args\n");
 	}
@@ -18,13 +32,16 @@ main :: proc() {
 	THINGI :: 14451;
 	THINGF :: 14451.1;
 
+
 	foo();
 	foo(THINGI as int);
+	foo(int(THINGI));
+	// foo(THINGI);
 	foo(THINGF);
 	fmt.println(THINGI);
 	fmt.println(THINGF);
 
-	x: proc();
-	x = foo;
-	x();
+	f: proc();
+	f = foo;
+	f();
 }