C++

Reference

<string>

class
<string>

std::wstring

typedef basic_string<wchar_t> wstring;
Wide string
String class for wide characters.

This is an instantiation of the basic_string class template that uses wchar_t as the character type, with its default char_traits and allocator types (see basic_string for more info on the template).

Member types

member typedefinition
value_typewchar_t
traits_typechar_traits<wchar_t>
allocator_typeallocator<wchar_t>
referencewchar_t&
const_referenceconst wchar_t&
pointerwchar_t*
const_pointerconst wchar_t*
iteratora random access iterator to wchar_t (convertible to const_iterator)
const_iteratora random access iterator to const wchar_t
reverse_iteratorreverse_iterator<iterator>
const_reverse_iteratorreverse_iterator<const_iterator>
difference_typeptrdiff_t
size_typesize_t

Member functions

Note: The references to the members of its basic template (basic_string) are linked here.

(constructor)
Construct basic_string object (public member function)
(destructor)
String destructor (public member function)
operator=
String assignment (public member function)

Iterators:
begin
Return iterator to beginning (public member function)
end
Return iterator to end (public member function)
rbegin
Return reverse iterator to reverse beginning (public member function)
rend
Return reverse iterator to reverse end (public member function)
cbegin
Return const_iterator to beginning (public member function)
cend
Return const_iterator to end (public member function)
crbegin
Return const_reverse_iterator to reverse beginning (public member function)
crend
Return const_reverse_iterator to reverse end (public member function)

Capacity:
size
Return size (public member function)
length
Return length of string (public member function)
max_size
Return maximum size (public member function)
resize
Resize string (public member function)
capacity
Return size of allocated storage (public member function)
reserve
Request a change in capacity (public member function)
clear
Clear string (public member function)
empty
Test whether string is empty (public member function)
shrink_to_fit
Shrink to fit (public member function)

Element access:
operator[]
Get character of string (public member function)
at
Get character of string (public member function)
back
Access last character (public member function)
front
Access first character (public member function)

Modifiers:
operator+=
Append to string (public member function)
append
Append to string (public member function)
push_back
Append character to string (public member function)
assign
Assign content to string (public member function)
insert
Insert into string (public member function)
erase
Erase characters from string (public member function)
replace
Replace portion of string (public member function)
swap
Swap string values (public member function)
pop_back
Delete last character (public member function)

String operations:
c_str
Get C-string equivalent
data
Get string data (public member function)
get_allocator
Get allocator (public member function)
copy
Copy sequence of characters from string (public member function)
find
Find first occurrence in string (public member function)
rfind
Find last occurrence in string (public member function)
find_first_of
Find character in string (public member function)
find_last_of
Find character in string from the end (public member function)
find_first_not_of
Find non-matching character in string (public member function)
find_last_not_of
Find non-matching character in string from the end (public member function)
substr
Generate substring (public member function)
compare
Compare strings (public member function)

Member constants

Note: The references to the members of its basic template (basic_string) are linked here.
npos
Maximum value of size_type (public static member constant)

Non-member functions overloads

Note: The references to the general overloads of its basic template (basic_string) are shown here.
operator+
Concatenate strings (function template)
relational operators
Relational operators for basic_string (function template)
swap
Exchanges the values of two strings (function template)
operator>>
Extract string from stream (function template)
operator<<
Insert string into stream (function template)
getline
Get line from stream into string (function template)