yyc12345
71eb0741f6
- add compile checker in cmake to detect charconv support status. - and expose macro for yycc to enable different part of charconv repectively to prevent duplicated defines.
42 lines
978 B
C++
42 lines
978 B
C++
#include <charconv>
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#include <cstdint>
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int main(int argc, char **argv) {
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const char probe[] = "0";
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const char* first = probe;
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const char* last = first + sizeof(probe);
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{
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std::int8_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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{
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std::int16_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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{
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std::int32_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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{
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std::int64_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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{
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std::uint8_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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{
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std::uint16_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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{
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std::uint32_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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{
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std::uint64_t value;
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auto rv = std::from_chars(first, last, value, 10);
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}
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}
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