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[base] Added bool to_size_t(std::string const & s, size_t & i).

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This commit is contained in:
Maksim Andrianov 2019-10-15 03:33:59 +03:00 • committed by Tatiana Yan
parent 8c57464baa
commit 9ca70efa83
2 changed files with 18 additions and 1 deletions
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14
base/string_utils.cpp
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@ -1,6 +1,8 @@
#include "base/assert.hpp"
#include "base/string_utils.hpp"
#include "base/assert.hpp"
#include "base/checked_cast.hpp"
#include "std/target_os.hpp"
#include <algorithm>
@ -103,6 +105,16 @@ bool to_int64(char const * s, int64_t & i)
return *stop == 0 && s != stop;
}
bool to_size_t(char const * s, size_t & i, int base)
{
uint64_t num = 0;
if (!to_uint64(s, num, base))
return false;
i = static_cast<size_t>(num);
return i == num;
}
bool to_float(char const * s, float & f)
{
char * stop;

5
base/string_utils.hpp
View file

@ -376,6 +376,7 @@ WARN_UNUSED_RESULT bool to_int(char const * s, int & i, int base = 10);
WARN_UNUSED_RESULT bool to_uint(char const * s, unsigned int & i, int base = 10);
WARN_UNUSED_RESULT bool to_uint64(char const * s, uint64_t & i, int base = 10);
WARN_UNUSED_RESULT bool to_int64(char const * s, int64_t & i);
WARN_UNUSED_RESULT bool to_size_t(char const * s, size_t & i, int base = 10);
WARN_UNUSED_RESULT bool to_float(char const * s, float & f);
WARN_UNUSED_RESULT bool to_double(char const * s, double & d);
@ -402,6 +403,10 @@ WARN_UNUSED_RESULT inline bool to_int64(std::string const & s, int64_t & i)
{
return to_int64(s.c_str(), i);
}
WARN_UNUSED_RESULT inline bool to_size_t(std::string const & s, size_t & i)
{
return to_size_t(s.c_str(), i);
}
WARN_UNUSED_RESULT inline bool to_float(std::string const & s, float & f)
{
return to_float(s.c_str(), f);