rename intrinsics

examples/programs/mem_allocator/typed_alloc.bro

@@ -2,7 +2,7 @@ mem :: import "@std/mem"
 
 _probe_count func(context ?*mut anyopaque) void {
 	if context |raw| {
-		counts *mut usize :: ptr_cast(usize, raw)
+		counts *mut usize :: ptrcast!(usize, raw)
 		counts[0] += 1
 	}
 }
@@ -28,7 +28,7 @@ _probe_vtable mem.AllocatorVTable :: mem.AllocatorVTable {
 }
 
 typed_allocator_test func() i32 {
-	if (size_of(mem.Allocator) != 16) return 31
+	if (sizeof!(mem.Allocator) != 16) return 31
 
 	first_calls [1]mut usize = [0]
 	second_calls [1]mut usize = [0]
@@ -76,7 +76,7 @@ typed_allocator_test func() i32 {
 	}
 	if (overflow_fallback_failed) return 37
 	overflow_failed bool = false
-	_ = mem.alloc(u64, first_allocator, max_value(usize)) catch |_| {
+	_ = mem.alloc(u64, first_allocator, maxval!(usize)) catch |_| {
 		overflow_failed = true
 		yield overflow_fallback
 	}