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Specifies that integer variables shall appear in base 16 notation.

ios_base& hex( 
   ios_base& _Str 


A reference to an object of type ios_base, or to a type that inherits from ios_base.

A reference to the object from which _Str is derived.

By default, integer variables are displayed in base 10 notation. dec and oct also change the way integer variables appear.

The manipulator effectively calls _Str.setf(ios_base::hex, ios_base::basefield), and then returns _Str.

See dec for an example of how to use hex.

Header: <ios>

Namespace: std

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