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Difference between revisions of "cpp/string/basic string/front"

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CharT& front();
 
CharT& front();
 
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const CharT& front() const;
 
const CharT& front() const;
 
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Revision as of 15:47, 1 July 2013

 
C++
 
Strings library
 
std::basic_string
Member functions
(C++23)
Element access
basic_string::front
(DR*)
(DR*)
(C++17)
Iterators
(C++11)
(C++11)
(C++11)
(C++11)
Capacity
(DR*)
Modifiers
(C++23)
(DR*)
(C++23)
(C++23)
(C++23)  
Search
Operations
(C++20)
(C++20)
(C++23)
Constants
Non-member functions
(C++20)(C++20)
I/O
Comparison
(until C++20)(until C++20)(until C++20)(until C++20)(until C++20)(C++20)
Numeric conversions
(C++11)(C++11)(C++11)
(C++11)(C++11)
(C++11)(C++11)(C++11)
(C++11)
(C++11)
Literals
(C++14)
Helper classes
(C++11)
Deduction guides (C++17)

 
CharT& front();
 (since C++11)
const CharT& front() const;
 (since C++11)

Returns reference to the first character in the string.

Contents

Parameters

(none)

Return value

reference to the first character.

Complexity

Constant

Notes

front requires that !empty() == true, otherwise the result is undefined.

See also

(DR*)
 accesses the last character
(public member function) [edit]
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