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xo-flatstring: replace from_int() with template on int repr

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This commit is contained in:
Roland Conybeare 2024-04-28 14:44:08 -04:00
commit 23a9a647c7
1 changed files with 8 additions and 2 deletions
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10
include/xo/flatstring/flatstring.hpp
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@ -189,8 +189,14 @@ namespace xo {
}
/** @brief construct from integer **/
static constexpr flatstring from_int(int x) {
constexpr size_t buf_z = 20;
template <typename Int>
requires std::is_integral_v<Int>
static constexpr flatstring from_int(Int x) {
/* 32-bit int ~ 4e9
* 64-bit int ~ 16e18
* 128-bit int - 256e36 ~ 2.6e38
*/
constexpr size_t buf_z = 64;
bool negative_flag = (x < 0);
std::size_t i = buf_z;