Change how types handle metamethods

1 files changed, 17 insertions, 4 deletions

diff --git a/stdlib/channels.h b/stdlib/channels.h
index c960452a..9a848107 100644
--- a/stdlib/channels.h
+++ b/stdlib/channels.h
@@ -20,9 +20,22 @@ void Channel$peek(Channel_t *channel, void *out, bool front, int64_t item_size);
 #define Channel$peek_value(channel, front, t) ({ t _val; Channel$peek(channel, &_val, front, sizeof(t)); _val; })
 void Channel$clear(Channel_t *channel);
 Array_t Channel$view(Channel_t *channel);
-PUREFUNC uint64_t Channel$hash(Channel_t **channel, const TypeInfo_t *type);
-PUREFUNC int32_t Channel$compare(Channel_t **x, Channel_t **y, const TypeInfo_t *type);
-PUREFUNC bool Channel$equal(Channel_t **x, Channel_t **y, const TypeInfo_t *type);
-Text_t Channel$as_text(Channel_t **channel, bool colorize, const TypeInfo_t *type);
+PUREFUNC uint64_t Channel$hash(const void *channel, const TypeInfo_t *type);
+PUREFUNC int32_t Channel$compare(const void *x, const void *y, const TypeInfo_t *type);
+PUREFUNC bool Channel$equal(const void *x, const void *y, const TypeInfo_t *type);
+Text_t Channel$as_text(const void *channel, bool colorize, const TypeInfo_t *type);
+PUREFUNC bool Channel$is_none(const void *obj, const TypeInfo_t*);
+
+#define Channel$metamethods ((metamethods_t){ \
+    .as_text=Channel$as_text, \
+    .compare=Channel$compare, \
+    .equal=Channel$equal, \
+    .hash=Channel$hash, \
+    .is_none=Channel$is_none, \
+})
+
+#define Channel$info(item_info) &((TypeInfo_t){.size=sizeof(Channel_t), .align=__alignof__(Channel_t), \
+                                .tag=ChannelInfo, .ChannelInfo.item=item_info, \
+                                .metamethods=Channel$metamethods})
 
 // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0