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Description

It is used to swap internals.

Declaration

Following is the declaration for std::basic_streambuf::swap.

void swap (basic_istream& x);

Parameters

x − Another basic_istream object with the same template parameters (charT and traits).

Return Value

none

Exceptions

No-throw guarantee − this member function never throws exceptions.

Data races

Modifies both stream objects (*this and x).

streambuf.htm