1 files changed, 76 insertions, 0 deletions
diff --git a/basic_traits.c b/basic_traits.c
new file mode 100644
index 0000000..5d2a8fb
--- /dev/null
+++ b/basic_traits.c
@@ -0,0 +1,76 @@
+#include "basic_traits.h"
+
+#include <string.h>
+#include <inttypes.h>
+
+#include "mmhash.h"
+
+#define BASIC_TRAITS_IMPL(T) \
+    bool T##_eq(T lhs, T rhs) { \
+        return lhs == rhs; \
+    } \
+    int T##_cmp(T lhs, T rhs) { \
+        if (lhs == rhs) return 0; \
+        if (lhs < rhs) return -1; \
+        return 1; \
+    } \
+    uint64_t T##_hash(T x) { \
+        return mmhash(&x, sizeof(T), 0); \
+    } \
+
+BASIC_TRAITS_IMPL(Char);
+BASIC_TRAITS_IMPL(Bool);
+BASIC_TRAITS_IMPL(Int);
+BASIC_TRAITS_IMPL(Long);
+BASIC_TRAITS_IMPL(UInt);
+BASIC_TRAITS_IMPL(ULong);
+BASIC_TRAITS_IMPL(Double);
+BASIC_TRAITS_IMPL(Float);
+BASIC_TRAITS_IMPL(VoidPtr);
+
+void Char_show(Char self, FILE* fp) {
+    fprintf(fp, "%c", self);
+}
+void Bool_show(Bool self, FILE* fp) {
+    if (self) fprintf(fp, "true");
+    else fprintf(fp, "false");
+}
+void Int_show(Int self, FILE* fp) {
+    fprintf(fp, "%"PRId32, self);
+}
+void Long_show(Long self, FILE* fp) {
+    fprintf(fp, "%"PRId64, self);
+}
+void UInt_show(UInt self, FILE* fp) {
+    fprintf(fp, "%"PRIu32, self);
+}
+void ULong_show(ULong self, FILE* fp) {
+    fprintf(fp, "%"PRIu64, self);
+}
+void VoidPtr_show(VoidPtr self, FILE* fp) {
+    fprintf(fp, "%p", self);
+}
+void Double_show(Double self, FILE* fp) {
+    fprintf(fp, "%lf", self);
+}
+void Float_show(Float self, FILE* fp) {
+    fprintf(fp, "%f", self);
+}
+void String_show(String self, FILE* fp) {
+    fprintf(fp, "%s", self);
+}
+
+bool String_eq(String lhs, String rhs) {
+    return strcmp(lhs, rhs) == 0;
+}
+
+int String_cmp(String lhs, String rhs) {
+    return strcmp(lhs, rhs);
+}
+
+uint64_t String_hash(String x) {
+    size_t len = strlen(x);
+    return mmhash(x, len, 0);
+}
+
+