std::to_string
From Cppreference
< cpp | string | basic string
| Defined in header <string>
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| std::string to_string( int value );
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(1) | (C++11 feature) |
| std::string to_string( long value );
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(2) | (C++11 feature) |
| std::string to_string( long long value );
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(3) | (C++11 feature) |
| std::string to_string( unsigned value );
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(4) | (C++11 feature) |
| std::string to_string( unsigned long value );
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(5) | (C++11 feature) |
| std::string to_string( unsigned long long value );
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(6) | (C++11 feature) |
| std::string to_string( float value );
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(7) | (C++11 feature) |
| std::string to_string( double value );
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(8) | (C++11 feature) |
| std::string to_string( long double value );
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(9) | (C++11 feature) |
1-3) Converts a signed decimal integer to a string in the style [-]dddd. At least one digit is written.
4-6) Converts a unsigned decimal integer to a string in the style dddd. At least one digit is written.
7-9) Converts a floating point value to a string in the style ddd.ddd. At least 6 digits are written after the decimal point character.
Contents |
[edit] Parameters
| value | - | a numeric value to convert |
[edit] Return value
a string holding the converted value
[edit] Example
double f = 23.43; std::string f_str = std::to_string(f);
[edit] See also
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converts an integral or floating point value to wstring (function) |
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