3 files changed, 36 insertions, 0 deletions
diff --git a/stdlib/enums.h b/stdlib/enums.h
index 35c3a22a..a61daacc 100644
--- a/stdlib/enums.h
+++ b/stdlib/enums.h
@@ -25,4 +25,14 @@ void Enum$deserialize(FILE *in, void *outval, Array_t *pointers, const TypeInfo_
     .deserialize=Enum$deserialize, \
 })
 
+#define PackedDataEnum$metamethods ((metamethods_t){ \
+    .hash=PackedData$hash, \
+    .compare=Enum$compare, \
+    .equal=PackedData$equal, \
+    .as_text=Enum$as_text, \
+    .is_none=Enum$is_none, \
+    .serialize=Enum$serialize, \
+    .deserialize=Enum$deserialize, \
+})
+
 // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
diff --git a/stdlib/structs.c b/stdlib/structs.c
index 010b49f7..1ff5a918 100644
--- a/stdlib/structs.c
+++ b/stdlib/structs.c
@@ -53,6 +53,14 @@ PUREFUNC public uint64_t Struct$hash(const void *obj, const TypeInfo_t *type)
 }
 #pragma GCC diagnostic pop
 
+PUREFUNC public uint64_t PackedData$hash(const void *obj, const TypeInfo_t *type)
+{
+    if (type->StructInfo.num_fields == 0)
+        return 0;
+
+    return siphash24(obj, (size_t)type->size);
+}
+
 PUREFUNC public int32_t Struct$compare(const void *x, const void *y, const TypeInfo_t *type)
 {
     if (x == y)
@@ -122,6 +130,12 @@ PUREFUNC public bool Struct$equal(const void *x, const void *y, const TypeInfo_t
     return true;
 }
 
+PUREFUNC public bool PackedData$equal(const void *x, const void *y, const TypeInfo_t *type)
+{
+    if (x == y) return true;
+    return (memcmp(x, y, (size_t)type->size) == 0);
+}
+
 PUREFUNC public Text_t Struct$as_text(const void *obj, bool colorize, const TypeInfo_t *type)
 {
     if (!obj) return Text$from_str(type->StructInfo.name);
diff --git a/stdlib/structs.h b/stdlib/structs.h
index 6553cc86..b027a01e 100644
--- a/stdlib/structs.h
+++ b/stdlib/structs.h
@@ -8,8 +8,10 @@
 #include "util.h"
 
 PUREFUNC uint64_t Struct$hash(const void *obj, const TypeInfo_t *type);
+PUREFUNC uint64_t PackedData$hash(const void *obj, const TypeInfo_t *type);
 PUREFUNC int32_t Struct$compare(const void *x, const void *y, const TypeInfo_t *type);
 PUREFUNC bool Struct$equal(const void *x, const void *y, const TypeInfo_t *type);
+PUREFUNC bool PackedData$equal(const void *x, const void *y, const TypeInfo_t *type);
 PUREFUNC Text_t Struct$as_text(const void *obj, bool colorize, const TypeInfo_t *type);
 PUREFUNC bool Struct$is_none(const void *obj, const TypeInfo_t *type);
 void Struct$serialize(const void *obj, FILE *out, Table_t *pointers, const TypeInfo_t *type);
@@ -25,4 +27,14 @@ void Struct$deserialize(FILE *in, void *outval, Array_t *pointers, const TypeInf
     .deserialize=Struct$deserialize, \
 })
 
+#define PackedData$metamethods ((metamethods_t){ \
+    .hash=PackedData$hash, \
+    .compare=Struct$compare, \
+    .equal=PackedData$equal, \
+    .as_text=Struct$as_text, \
+    .is_none=Struct$is_none, \
+    .serialize=Struct$serialize, \
+    .deserialize=Struct$deserialize, \
+})
+
 // vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0