From Jason Turner

[syserr.errcat.overview]

Diff to HTML by rtfpessoa

tmp/tmpjvxo_p4t/{from.md → to.md} RENAMED
@@ -11,11 +11,12 @@ have the same address. This means that applications using custom
11
 
12
  ``` cpp
13
  namespace std {
14
  class error_category {
15
  public:
16
- virtual ~error_category() noexcept;
 
17
  error_category(const error_category&) = delete;
18
  error_category& operator=(const error_category&) = delete;
19
  virtual const char* name() const noexcept = 0;
20
  virtual error_condition default_error_condition(int ev) const noexcept;
21
  virtual bool equivalent(int code, const error_condition& condition) const noexcept;
 
11
 
12
  ``` cpp
13
  namespace std {
14
  class error_category {
15
  public:
16
+ constexpr error_category() noexcept;
17
+ virtual ~error_category();
18
  error_category(const error_category&) = delete;
19
  error_category& operator=(const error_category&) = delete;
20
  virtual const char* name() const noexcept = 0;
21
  virtual error_condition default_error_condition(int ev) const noexcept;
22
  virtual bool equivalent(int code, const error_condition& condition) const noexcept;