diff options
Diffstat (limited to 'stdlib/pointers.h')
| -rw-r--r-- | stdlib/pointers.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/stdlib/pointers.h b/stdlib/pointers.h index 116160fd..0c9f2ade 100644 --- a/stdlib/pointers.h +++ b/stdlib/pointers.h @@ -11,9 +11,21 @@ Text_t Pointer$as_text(const void *x, bool colorize, const TypeInfo_t *type); PUREFUNC int32_t Pointer$compare(const void *x, const void *y, const TypeInfo_t *type); PUREFUNC bool Pointer$equal(const void *x, const void *y, const TypeInfo_t *type); +PUREFUNC bool Pointer$is_none(const void *x, const TypeInfo_t*); #define Null(t) (t*)NULL #define POINTER_TYPE(_sigil, _pointed) (&(TypeInfo_t){\ .size=sizeof(void*), .align=alignof(void*), .tag=PointerInfo, .PointerInfo.sigil=_sigil, .PointerInfo.pointed=_pointed}) +#define Pointer$metamethods ((metamethods_t){ \ + .as_text=Pointer$as_text, \ + .compare=Pointer$compare, \ + .equal=Pointer$equal, \ + .is_none=Pointer$is_none, \ +}) + +#define Pointer$info(sigil_expr, pointed_info) &((TypeInfo_t){.size=sizeof(void*), .align=__alignof__(void*), \ + .tag=PointerInfo, .PointerInfo={.sigil=sigil_expr, .pointed=pointed_info}, \ + .metamethods=Pointer$metamethods}) + // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0 |