Branch Statements, if init statement, File parsing errors

examples/test.odin

@@ -1,10 +0,0 @@
-main :: proc() {
-	type Vec2: struct { x, y: f32; }
-	v := Vec2{1, 1};
-	a := [2]int{1, 2}; // Array 2 of int
-	s := []int{1, 2};  // Slice of int
-	_, _ = a, s;
-	// Equivalent to
-	// sa := [2]int{1, 2}; s := sa[:];
-	v.x = 1;
-}