Add new builtin container_of

This commit is contained in:
gingerBill
2022-04-27 12:39:45 +01:00
parent 9692496989
commit 9349dfba8f
+10
View File
@@ -5,6 +5,16 @@ import "core:intrinsics"
@builtin
Maybe :: union($T: typeid) #maybe {T}
@builtin
container_of :: #force_inline proc "contextless" (ptr: $P/^$Field_Type, $T: typeid, $field_name: string) -> ^T
where intrinsics.type_has_field(T, field_name),
intrinsics.type_field_type(T, field_name) == Field_Type {
offset :: offset_of_by_string(T, field_name)
return (^T)(uintptr(ptr) - offset) if ptr != nil else nil
}
@thread_local global_default_temp_allocator_data: Default_Temp_Allocator
@builtin