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After defining string objects they are guaranteed to be in a valid
state. At em(definition time) string objects may be initialized in one of the
following ways:
The following tt(string) constructors hi(string constructors) are
available:
itemization(
ittq(string object)
(initializes tt(object) to an empty string. When defining a tt(string)
this way no argument list may be specified;)
ittq(string object(string::size_type count, char ch))
(initializes tt(object) with tt(count) characters tt(ch). em(Caveat:)
to initialize a string object using this constructor do not use the
curly braces variant, but use the constructor as shown, to avoid
selecting the initializer-list constructor (see below);)
ittq(string object(string const &argument))
(initializes tt(object) with tt(argument);)
ittq(string object(std::string const &argument, string::size_type
apos, string::size_type an))
(initializes tt(object) with tt(argument)'s content starting at index
position tt(apos), using at most tt(an) of tt(argument)'s characters;)
ittq(string object(InputIterator begin, InputIterator end))
(initializes tt(object) with the characters in the range of characters
defined by the two tt(InputIterators).)
ittq(string object(std::initializer_list<char> chars))
(initializes tt(object) with the characters specified in the
initializer list. The string may also directly be initialized, using
the curly braced initialization. Here is an example showing both
forms:
verb(string str1({'h', 'e', 'l', 'l', 'o'});
string str2{ 'h', 'e', 'l', 'l', 'o' };)
)
)
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