#
The class
text_
encoding
describes an interface for accessing the IANA Character Sets registry
[bib]
.
🔗
namespace
std
{
struct
text_encoding
{
static
constexpr
size_t max_name_length
=
63
;
/
[text.
encoding.
id]
, enumeration
text_
encoding::id
enum
class
id
:
int_least32_t
{
see below
}
;
using
enum
id;
constexpr
text_encoding
(
)
=
default
;
constexpr
explicit
text_encoding
(
string_view enc
)
noexcept
;
constexpr
text_encoding
(
id i
)
noexcept
;
constexpr
id mib
(
)
const
noexcept
;
constexpr
const
char
*
name
(
)
const
noexcept
;
/
[text.
encoding.
aliases]
, class
text_
encoding::aliases_
view
struct
aliases_view;
constexpr
aliases_view aliases
(
)
const
noexcept
;
friend
constexpr
bool
operator
=
(
const
text_encoding
&
a,
const
text_encoding
&
b
)
noexcept
;
friend
constexpr
bool
operator
=
(
const
text_encoding
&
encoding, id i
)
noexcept
;
static
consteval
text_encoding literal
(
)
noexcept
;
static
text_encoding environment
(
)
;
template
<
id i
>
static
bool
environment_is
(
)
;
private
:
id
mib_
=
id
::
unknown;
/
exposition only
char
name_
[
max_name_length
+
1
]
=
{
0
}
;
/
exposition only
static
constexpr
bool
comp-name
(
string_view a, string_view b
)
;
/
exposition only
}
;
}
2
#
Class
text_
encoding
is a trivially copyable type (
[basic.
types.
general]
)
.