hmm

tests/traits.c

@@ -0,0 +1,19 @@
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+struct Number {
+  int value;
+};
+
+char *Number_show(struct Number self);
+int main(void);
+
+char *Number_show(struct Number self) { return "number"; }
+
+int main(void) {
+  struct Number number = (struct Number){.value = 40};
+  Number_show(number);
+  return 0;
+}