libgo/runtime/go-type-error.c

   1 /* go-type-error.c -- invalid hash and equality functions.
   2
   3    Copyright 2009 The Go Authors. All rights reserved.
   4    Use of this source code is governed by a BSD-style
   5    license that can be found in the LICENSE file.  */
   6
   7 #include "runtime.h"
   8 #include "go-type.h"
   9
  10 /* A hash function used for a type which does not support hash
  11    functions.  */
  12
  13 uintptr_t
  14 __go_type_hash_error (const void *val __attribute__ ((unused)),
  15                       uintptr_t key_size __attribute__ ((unused)))
  16 {
  17   runtime_panicstring ("hash of unhashable type");
  18 }
  19
  20 const FuncVal __go_type_hash_error_descriptor =
  21   { (void *) __go_type_hash_error };
  22
  23 /* An equality function for an interface.  */
  24
  25 _Bool
  26 __go_type_equal_error (const void *v1 __attribute__ ((unused)),
  27                        const void *v2 __attribute__ ((unused)),
  28                        uintptr_t key_size __attribute__ ((unused)))
  29 {
  30   runtime_panicstring ("comparing uncomparable types");
  31 }
  32
  33 const FuncVal __go_type_equal_error_descriptor =
  34   { (void *) __go_type_equal_error };