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num_get::do_get

A virtual function that is called to extracts a numerical or Boolean value from a character sequence.

virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    bool& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    unsigned short& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    unsigned int& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    long& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    unsigned long& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    float& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    double& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    long double& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    unsigned long& _Val
) const;
virtual iter_type do_get(
    iter_type _First,
    iter_type _Last,
    ios_base& _Iosbase,
    ios_base::iostate& _State,
    void *& _Val
) const;

Parameters

  • _First
    The beginning of the range of characters from which to read the number.

  • _Last
    The end of the range of characters from which to read the number.

  • _Iosbase
    The ios_base whose flags are used by the conversion.

  • _State
    The state to which failbit (see ios_base::iostate) is added upon failure.

  • _Val
    The value that was read.

Return Value

The iterator after the value has been read.

Example

See the example for get, where the virtual member function is called by do_get.

Requirements

Header: <locale>

Namespace: std

See Also

Reference

num_get Class

Other Resources

num_get Members