718 lines
18 KiB
C++
718 lines
18 KiB
C++
/* String utilities for OctaSTD.
|
|
*
|
|
* This file is part of OctaSTD. See COPYING.md for futher information.
|
|
*/
|
|
|
|
#ifndef OSTD_STRING_HH
|
|
#define OSTD_STRING_HH
|
|
|
|
#include <stdio.h>
|
|
#include <stddef.h>
|
|
#include <ctype.h>
|
|
|
|
#include <string>
|
|
#include <string_view>
|
|
#include <type_traits>
|
|
#include <functional>
|
|
|
|
#include "ostd/utility.hh"
|
|
#include "ostd/range.hh"
|
|
#include "ostd/vector.hh"
|
|
#include "ostd/algorithm.hh"
|
|
|
|
namespace ostd {
|
|
|
|
template<typename T, typename TR = std::char_traits<T>>
|
|
struct CharRangeBase: InputRange<
|
|
CharRangeBase<T>, ContiguousRangeTag, T
|
|
> {
|
|
private:
|
|
struct Nat {};
|
|
|
|
public:
|
|
CharRangeBase(): p_beg(nullptr), p_end(nullptr) {};
|
|
CharRangeBase(T *beg, T *end): p_beg(beg), p_end(end) {}
|
|
|
|
template<typename U>
|
|
CharRangeBase(
|
|
U beg, std::enable_if_t<
|
|
std::is_convertible_v<U, T *> && !std::is_array_v<U>, Nat
|
|
> = Nat()
|
|
): p_beg(beg), p_end(static_cast<T *>(beg) + (beg ? TR::length(beg) : 0)) {}
|
|
|
|
CharRangeBase(std::nullptr_t): p_beg(nullptr), p_end(nullptr) {}
|
|
|
|
template<typename U, size_t N>
|
|
CharRangeBase(U (&beg)[N], std::enable_if_t<
|
|
std::is_convertible_v<U *, T *>, Nat
|
|
> = Nat()):
|
|
p_beg(beg), p_end(beg + N - (beg[N - 1] == '\0'))
|
|
{}
|
|
|
|
template<typename STR, typename A>
|
|
CharRangeBase(std::basic_string<std::remove_const_t<T>, STR, A> const &s):
|
|
p_beg(s.data()), p_end(s.data() + s.size())
|
|
{}
|
|
|
|
template<typename U, typename = std::enable_if_t<
|
|
std::is_convertible_v<U *, T *>
|
|
>>
|
|
CharRangeBase(CharRangeBase<U> const &v):
|
|
p_beg(&v[0]), p_end(&v[v.size()])
|
|
{}
|
|
|
|
CharRangeBase &operator=(CharRangeBase const &v) {
|
|
p_beg = v.p_beg; p_end = v.p_end; return *this;
|
|
}
|
|
|
|
template<typename STR, typename A>
|
|
CharRangeBase &operator=(std::basic_string<T, STR, A> const &s) {
|
|
p_beg = s.data(); p_end = s.data() + s.size(); return *this;
|
|
}
|
|
|
|
CharRangeBase &operator=(T *s) {
|
|
p_beg = s; p_end = s + (s ? TR::length(s) : 0); return *this;
|
|
}
|
|
|
|
bool empty() const { return p_beg == p_end; }
|
|
|
|
bool pop_front() {
|
|
if (p_beg == p_end) {
|
|
return false;
|
|
}
|
|
++p_beg;
|
|
return true;
|
|
}
|
|
bool push_front() { --p_beg; return true; }
|
|
|
|
size_t pop_front_n(size_t n) {
|
|
size_t olen = p_end - p_beg;
|
|
p_beg += n;
|
|
if (p_beg > p_end) {
|
|
p_beg = p_end;
|
|
return olen;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
size_t push_front_n(size_t n) { p_beg -= n; return true; }
|
|
|
|
T &front() const { return *p_beg; }
|
|
|
|
bool equals_front(CharRangeBase const &range) const {
|
|
return p_beg == range.p_beg;
|
|
}
|
|
|
|
ptrdiff_t distance_front(CharRangeBase const &range) const {
|
|
return range.p_beg - p_beg;
|
|
}
|
|
|
|
bool pop_back() {
|
|
if (p_end == p_beg) {
|
|
return false;
|
|
}
|
|
--p_end;
|
|
return true;
|
|
}
|
|
bool push_back() { ++p_end; return true; }
|
|
|
|
size_t pop_back_n(size_t n) {
|
|
size_t olen = p_end - p_beg;
|
|
p_end -= n;
|
|
if (p_end < p_beg) {
|
|
p_end = p_beg;
|
|
return olen;
|
|
}
|
|
return n;
|
|
}
|
|
|
|
size_t push_back_n(size_t n) { p_end += n; return true; }
|
|
|
|
T &back() const { return *(p_end - 1); }
|
|
|
|
bool equals_back(CharRangeBase const &range) const {
|
|
return p_end == range.p_end;
|
|
}
|
|
|
|
ptrdiff_t distance_back(CharRangeBase const &range) const {
|
|
return range.p_end - p_end;
|
|
}
|
|
|
|
size_t size() const { return p_end - p_beg; }
|
|
|
|
CharRangeBase slice(size_t start, size_t end) const {
|
|
return CharRangeBase(p_beg + start, p_beg + end);
|
|
}
|
|
|
|
T &operator[](size_t i) const { return p_beg[i]; }
|
|
|
|
bool put(T v) {
|
|
if (empty()) {
|
|
return false;
|
|
}
|
|
*(p_beg++) = v;
|
|
return true;
|
|
}
|
|
|
|
size_t put_n(T const *p, size_t n) {
|
|
size_t an = ostd::min(n, size());
|
|
TR::copy(p_beg, p, an);
|
|
p_beg += an;
|
|
return an;
|
|
}
|
|
|
|
T *data() { return p_beg; }
|
|
T const *data() const { return p_beg; }
|
|
|
|
/* non-range */
|
|
int compare(CharRangeBase<T const> s) const {
|
|
size_t s1 = size(), s2 = s.size();
|
|
int ret;
|
|
if (!s1 || !s2) {
|
|
goto diffsize;
|
|
}
|
|
if ((ret = TR::compare(data(), s.data(), ostd::min(s1, s2)))) {
|
|
return ret;
|
|
}
|
|
diffsize:
|
|
return (s1 < s2) ? -1 : ((s1 > s2) ? 1 : 0);
|
|
}
|
|
|
|
int case_compare(CharRangeBase<T const> s) const {
|
|
size_t s1 = size(), s2 = s.size();
|
|
for (size_t i = 0, ms = ostd::min(s1, s2); i < ms; ++i) {
|
|
int d = toupper(p_beg[i]) - toupper(s[i]);
|
|
if (d) {
|
|
return d;
|
|
}
|
|
}
|
|
return (s1 < s2) ? -1 : ((s1 > s2) ? 1 : 0);
|
|
}
|
|
|
|
template<typename R>
|
|
std::enable_if_t<IsOutputRange<R>, size_t> copy(R &&orange, size_t n = -1) {
|
|
return orange.put_n(data(), ostd::min(n, size()));
|
|
}
|
|
|
|
size_t copy(std::remove_cv_t<T> *p, size_t n = -1) {
|
|
size_t c = ostd::min(n, size());
|
|
TR::copy(p, data(), c);
|
|
return c;
|
|
}
|
|
|
|
/* that way we can assign, append etc to std::string */
|
|
operator std::basic_string_view<std::remove_cv_t<T>>() const {
|
|
return std::basic_string_view<std::remove_cv_t<T>>{data(), size()};
|
|
}
|
|
|
|
private:
|
|
T *p_beg, *p_end;
|
|
};
|
|
|
|
using CharRange = CharRangeBase<char>;
|
|
using ConstCharRange = CharRangeBase<char const>;
|
|
|
|
inline bool operator==(ConstCharRange lhs, ConstCharRange rhs) {
|
|
return !lhs.compare(rhs);
|
|
}
|
|
|
|
inline bool operator!=(ConstCharRange lhs, ConstCharRange rhs) {
|
|
return lhs.compare(rhs);
|
|
}
|
|
|
|
inline bool operator<(ConstCharRange lhs, ConstCharRange rhs) {
|
|
return lhs.compare(rhs) < 0;
|
|
}
|
|
|
|
inline bool operator>(ConstCharRange lhs, ConstCharRange rhs) {
|
|
return lhs.compare(rhs) > 0;
|
|
}
|
|
|
|
inline bool operator<=(ConstCharRange lhs, ConstCharRange rhs) {
|
|
return lhs.compare(rhs) <= 0;
|
|
}
|
|
|
|
inline bool operator>=(ConstCharRange lhs, ConstCharRange rhs) {
|
|
return lhs.compare(rhs) >= 0;
|
|
}
|
|
|
|
inline bool starts_with(ConstCharRange a, ConstCharRange b) {
|
|
if (a.size() < b.size()) {
|
|
return false;
|
|
}
|
|
return a.slice(0, b.size()) == b;
|
|
}
|
|
|
|
template<typename T, typename TR, typename A>
|
|
struct ranged_traits<std::basic_string<T, TR, A>> {
|
|
static CharRangeBase<T> iter(std::basic_string<T, TR, A> &v) {
|
|
return CharRangeBase<T>{v.data(), v.data() + v.size()};
|
|
}
|
|
};
|
|
|
|
template<typename T, typename TR, typename A>
|
|
struct ranged_traits<std::basic_string<T, TR, A> const> {
|
|
static CharRangeBase<T const> iter(std::basic_string<T, TR, A> const &v) {
|
|
return CharRangeBase<T const>{v.data(), v.data() + v.size()};
|
|
}
|
|
};
|
|
|
|
template<
|
|
typename T, typename TR = std::char_traits<T>,
|
|
typename A = std::allocator<T>, typename R
|
|
>
|
|
inline std::basic_string<T, TR, A> make_string(R range, A const &alloc = A{}) {
|
|
std::basic_string<T, TR, A> ret{alloc};
|
|
using C = RangeCategory<R>;
|
|
if constexpr(std::is_convertible_v<C, FiniteRandomAccessRangeTag>) {
|
|
/* finite random access or contiguous */
|
|
auto h = range.half();
|
|
ret.reserve(range.size());
|
|
ret.insert(ret.end(), h, h + range.size());
|
|
} else {
|
|
/* infinite random access and below */
|
|
for (; !range.empty(); range.pop_front()) {
|
|
ret.push_back(range.front());
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
template<
|
|
typename R, typename TR = std::char_traits<std::remove_cv_t<RangeValue<R>>>,
|
|
typename A = std::allocator<std::remove_cv_t<RangeValue<R>>>
|
|
>
|
|
inline std::basic_string<std::remove_cv_t<RangeValue<R>>, TR, A> make_string(
|
|
R range, A const &alloc = A{}
|
|
) {
|
|
return make_string<std::remove_cv_t<RangeValue<R>>, TR, A>(
|
|
std::move(range), alloc
|
|
);
|
|
}
|
|
|
|
/* string literals */
|
|
|
|
inline namespace literals {
|
|
inline namespace string_literals {
|
|
inline ConstCharRange operator "" _sr(char const *str, size_t len) {
|
|
return ConstCharRange(str, str + len);
|
|
}
|
|
}
|
|
}
|
|
|
|
namespace detail {
|
|
template<
|
|
typename T, bool = std::is_convertible_v<T, ConstCharRange>,
|
|
bool = std::is_convertible_v<T, char>
|
|
>
|
|
struct ConcatPut;
|
|
|
|
template<typename T, bool B>
|
|
struct ConcatPut<T, true, B> {
|
|
template<typename R>
|
|
static bool put(R &sink, ConstCharRange v) {
|
|
return v.size() && (sink.put_n(&v[0], v.size()) == v.size());
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
struct ConcatPut<T, false, true> {
|
|
template<typename R>
|
|
static bool put(R &sink, char v) {
|
|
return sink.put(v);
|
|
}
|
|
};
|
|
}
|
|
|
|
template<typename R, typename T, typename F>
|
|
bool concat(R &&sink, T const &v, ConstCharRange sep, F func) {
|
|
auto range = ostd::iter(v);
|
|
if (range.empty()) {
|
|
return true;
|
|
}
|
|
for (;;) {
|
|
if (!detail::ConcatPut<
|
|
decltype(func(range.front()))
|
|
>::put(sink, func(range.front()))) {
|
|
return false;
|
|
}
|
|
range.pop_front();
|
|
if (range.empty()) {
|
|
break;
|
|
}
|
|
sink.put_n(&sep[0], sep.size());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template<typename R, typename T>
|
|
bool concat(R &&sink, T const &v, ConstCharRange sep = " ") {
|
|
auto range = ostd::iter(v);
|
|
if (range.empty()) {
|
|
return true;
|
|
}
|
|
for (;;) {
|
|
ConstCharRange ret = range.front();
|
|
if (!ret.size() || (sink.put_n(&ret[0], ret.size()) != ret.size())) {
|
|
return false;
|
|
}
|
|
range.pop_front();
|
|
if (range.empty()) {
|
|
break;
|
|
}
|
|
sink.put_n(&sep[0], sep.size());
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template<typename R, typename T, typename F>
|
|
bool concat(R &&sink, std::initializer_list<T> v, ConstCharRange sep, F func) {
|
|
return concat(sink, ostd::iter(v), sep, func);
|
|
}
|
|
|
|
template<typename R, typename T>
|
|
bool concat(R &&sink, std::initializer_list<T> v, ConstCharRange sep = " ") {
|
|
return concat(sink, ostd::iter(v), sep);
|
|
}
|
|
|
|
namespace detail {
|
|
template<typename R>
|
|
struct TostrRange: OutputRange<TostrRange<R>, char> {
|
|
TostrRange() = delete;
|
|
TostrRange(R &out): p_out(out), p_written(0) {}
|
|
bool put(char v) {
|
|
bool ret = p_out.put(v);
|
|
p_written += ret;
|
|
return ret;
|
|
}
|
|
size_t put_n(char const *v, size_t n) {
|
|
size_t ret = p_out.put_n(v, n);
|
|
p_written += ret;
|
|
return ret;
|
|
}
|
|
size_t put_string(ConstCharRange r) {
|
|
return put_n(&r[0], r.size());
|
|
}
|
|
size_t get_written() const { return p_written; }
|
|
private:
|
|
R &p_out;
|
|
size_t p_written;
|
|
};
|
|
|
|
template<typename T, typename R>
|
|
static auto test_stringify(int) -> std::integral_constant<
|
|
bool, std::is_same_v<decltype(std::declval<T>().stringify()), std::string>
|
|
>;
|
|
|
|
template<typename T, typename R>
|
|
static std::true_type test_stringify(
|
|
decltype(std::declval<T const &>().to_string(std::declval<R &>())) *
|
|
);
|
|
|
|
template<typename, typename>
|
|
static std::false_type test_stringify(...);
|
|
|
|
template<typename T, typename R>
|
|
constexpr bool StringifyTest = decltype(test_stringify<T, R>(0))::value;
|
|
|
|
template<typename T>
|
|
static std::true_type test_iterable(decltype(ostd::iter(std::declval<T>())) *);
|
|
template<typename>
|
|
static std::false_type test_iterable(...);
|
|
|
|
template<typename T>
|
|
constexpr bool IterableTest = decltype(test_iterable<T>(0))::value;
|
|
}
|
|
|
|
template<typename T, typename = void>
|
|
struct ToString;
|
|
|
|
template<typename T>
|
|
struct ToString<T, std::enable_if_t<detail::IterableTest<T>>> {
|
|
using Argument = std::remove_cv_t<std::remove_reference_t<T>>;
|
|
using Result = std::string;
|
|
|
|
std::string operator()(T const &v) const {
|
|
std::string ret("{");
|
|
auto x = appender<std::string>();
|
|
if (concat(x, ostd::iter(v), ", ", ToString<
|
|
std::remove_const_t<std::remove_reference_t<
|
|
RangeReference<decltype(ostd::iter(v))>
|
|
>>
|
|
>())) {
|
|
ret += x.get();
|
|
}
|
|
ret += "}";
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
struct ToString<T, std::enable_if_t<
|
|
detail::StringifyTest<T, detail::TostrRange<AppenderRange<std::string>>>
|
|
>> {
|
|
using Argument = std::remove_cv_t<std::remove_reference_t<T>>;
|
|
using Result = std::string;
|
|
|
|
std::string operator()(T const &v) const {
|
|
auto app = appender<std::string>();
|
|
detail::TostrRange<AppenderRange<std::string>> sink(app);
|
|
if (!v.to_string(sink)) {
|
|
return std::string{};
|
|
}
|
|
return std::move(app.get());
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ToString<bool> {
|
|
using Argument = bool;
|
|
using Result = std::string;
|
|
std::string operator()(bool b) {
|
|
return b ? "true" : "false";
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ToString<char> {
|
|
using Argument = char;
|
|
using Result = std::string;
|
|
std::string operator()(char c) {
|
|
std::string ret;
|
|
ret += c;
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
#define OSTD_TOSTR_NUM(T) \
|
|
template<> \
|
|
struct ToString<T> { \
|
|
using Argument = T; \
|
|
using Result = std::string; \
|
|
std::string operator()(T v) { \
|
|
return std::to_string(v); \
|
|
} \
|
|
};
|
|
|
|
OSTD_TOSTR_NUM(sbyte)
|
|
OSTD_TOSTR_NUM(short)
|
|
OSTD_TOSTR_NUM(int)
|
|
OSTD_TOSTR_NUM(long)
|
|
OSTD_TOSTR_NUM(float)
|
|
OSTD_TOSTR_NUM(double)
|
|
|
|
OSTD_TOSTR_NUM(byte)
|
|
OSTD_TOSTR_NUM(ushort)
|
|
OSTD_TOSTR_NUM(uint)
|
|
OSTD_TOSTR_NUM(ulong)
|
|
OSTD_TOSTR_NUM(llong)
|
|
OSTD_TOSTR_NUM(ullong)
|
|
OSTD_TOSTR_NUM(ldouble)
|
|
|
|
#undef OSTD_TOSTR_NUM
|
|
|
|
template<typename T>
|
|
struct ToString<T *> {
|
|
using Argument = T *;
|
|
using Result = std::string;
|
|
std::string operator()(Argument v) {
|
|
char buf[16];
|
|
sprintf(buf, "%p", v);
|
|
return buf;
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ToString<char const *> {
|
|
using Argument = char const *;
|
|
using Result = std::string;
|
|
std::string operator()(char const *s) {
|
|
return s;
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ToString<char *> {
|
|
using Argument = char *;
|
|
using Result = std::string;
|
|
std::string operator()(char *s) {
|
|
return s;
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ToString<std::string> {
|
|
using Argument = std::string;
|
|
using Result = std::string;
|
|
std::string operator()(Argument const &s) {
|
|
return s;
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ToString<CharRange> {
|
|
using Argument = CharRange;
|
|
using Result = std::string;
|
|
std::string operator()(Argument const &s) {
|
|
return std::string{s};
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct ToString<ConstCharRange> {
|
|
using Argument = ConstCharRange;
|
|
using Result = std::string;
|
|
std::string operator()(Argument const &s) {
|
|
return std::string{s};
|
|
}
|
|
};
|
|
|
|
template<typename T, typename U>
|
|
struct ToString<std::pair<T, U>> {
|
|
using Argument = std::pair<T, U>;
|
|
using Result = std::string;
|
|
std::string operator()(Argument const &v) {
|
|
std::string ret{"{"};
|
|
ret += ToString<std::remove_cv_t<std::remove_reference_t<T>>>()(v.first);
|
|
ret += ", ";
|
|
ret += ToString<std::remove_cv_t<std::remove_reference_t<U>>>()(v.second);
|
|
ret += "}";
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
namespace detail {
|
|
template<size_t I, size_t N>
|
|
struct TupleToString {
|
|
template<typename T>
|
|
static void append(std::string &ret, T const &tup) {
|
|
ret += ", ";
|
|
ret += ToString<std::remove_cv_t<std::remove_reference_t<
|
|
decltype(std::get<I>(tup))
|
|
>>>()(std::get<I>(tup));
|
|
TupleToString<I + 1, N>::append(ret, tup);
|
|
}
|
|
};
|
|
|
|
template<size_t N>
|
|
struct TupleToString<N, N> {
|
|
template<typename T>
|
|
static void append(std::string &, T const &) {}
|
|
};
|
|
|
|
template<size_t N>
|
|
struct TupleToString<0, N> {
|
|
template<typename T>
|
|
static void append(std::string &ret, T const &tup) {
|
|
ret += ToString<std::remove_cv_t<std::remove_reference_t<
|
|
decltype(std::get<0>(tup))
|
|
>>>()(std::get<0>(tup));
|
|
TupleToString<1, N>::append(ret, tup);
|
|
}
|
|
};
|
|
}
|
|
|
|
template<typename ...T>
|
|
struct ToString<std::tuple<T...>> {
|
|
using Argument = std::tuple<T...>;
|
|
using Result = std::string;
|
|
std::string operator()(Argument const &v) {
|
|
std::string ret("{");
|
|
detail::TupleToString<0, sizeof...(T)>::append(ret, v);
|
|
ret += "}";
|
|
return ret;
|
|
}
|
|
};
|
|
|
|
template<typename T>
|
|
typename ToString<T>::Result to_string(T const &v) {
|
|
return ToString<std::remove_cv_t<std::remove_reference_t<T>>>()(v);
|
|
}
|
|
|
|
template<typename T>
|
|
std::string to_string(std::initializer_list<T> init) {
|
|
return to_string(iter(init));
|
|
}
|
|
|
|
template<typename R>
|
|
struct TempCString {
|
|
private:
|
|
std::remove_cv_t<RangeValue<R>> *p_buf;
|
|
bool p_allocated;
|
|
|
|
public:
|
|
TempCString() = delete;
|
|
TempCString(TempCString const &) = delete;
|
|
TempCString(TempCString &&s): p_buf(s.p_buf), p_allocated(s.p_allocated) {
|
|
s.p_buf = nullptr;
|
|
s.p_allocated = false;
|
|
}
|
|
TempCString(R input, std::remove_cv_t<RangeValue<R>> *sbuf, size_t bufsize)
|
|
: p_buf(nullptr), p_allocated(false) {
|
|
if (input.empty()) {
|
|
return;
|
|
}
|
|
if (input.size() >= bufsize) {
|
|
p_buf = new std::remove_cv_t<RangeValue<R>>[input.size() + 1];
|
|
p_allocated = true;
|
|
} else {
|
|
p_buf = sbuf;
|
|
}
|
|
p_buf[input.copy(p_buf)] = '\0';
|
|
}
|
|
~TempCString() {
|
|
if (p_allocated) {
|
|
delete[] p_buf;
|
|
}
|
|
}
|
|
|
|
TempCString &operator=(TempCString const &) = delete;
|
|
TempCString &operator=(TempCString &&s) {
|
|
swap(s);
|
|
return *this;
|
|
}
|
|
|
|
operator std::remove_cv_t<RangeValue<R>> const *() const { return p_buf; }
|
|
std::remove_cv_t<RangeValue<R>> const *get() const { return p_buf; }
|
|
|
|
void swap(TempCString &s) {
|
|
using std::swap;
|
|
swap(p_buf, s.p_buf);
|
|
swap(p_allocated, s.p_allocated);
|
|
}
|
|
};
|
|
|
|
template<typename R>
|
|
inline void swap(TempCString<R> &a, TempCString<R> &b) {
|
|
a.swap(b);
|
|
}
|
|
|
|
template<typename R>
|
|
inline TempCString<R> to_temp_cstr(
|
|
R input, std::remove_cv_t<RangeValue<R>> *buf, size_t bufsize
|
|
) {
|
|
return TempCString<R>(input, buf, bufsize);
|
|
}
|
|
|
|
} /* namespace ostd */
|
|
|
|
namespace std {
|
|
|
|
template<>
|
|
struct hash<ostd::CharRange> {
|
|
size_t operator()(ostd::CharRange const &v) const {
|
|
return hash<std::string_view>{}(v);
|
|
}
|
|
};
|
|
|
|
template<>
|
|
struct hash<ostd::ConstCharRange> {
|
|
size_t operator()(ostd::ConstCharRange const &v) const {
|
|
return hash<std::string_view>{}(v);
|
|
}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|