| #define MUST_USE_FUNC __attribute__((warn_unused_result)) |
| #define MUST_USE_STRUCT __attribute__((warn_unused)) |
| #define MUST_USE_ENUM /* nothing */ |
| |
| |
| #include <stdarg.h> |
| #include <stdbool.h> |
| #include <stdint.h> |
| #include <stdlib.h> |
| |
| enum MaybeOwnedPtr_i32_Tag { |
| Owned_i32, |
| None_i32, |
| }; |
| typedef uint8_t MaybeOwnedPtr_i32_Tag; |
| |
| struct MUST_USE_STRUCT MaybeOwnedPtr_i32 { |
| MaybeOwnedPtr_i32_Tag tag; |
| union { |
| struct { |
| int32_t *owned; |
| }; |
| }; |
| }; |
| |
| struct MUST_USE_STRUCT OwnedPtr_i32 { |
| int32_t *ptr; |
| }; |
| |
| MUST_USE_FUNC struct MaybeOwnedPtr_i32 maybe_consume(struct OwnedPtr_i32 input); |