boost::gil::histogram::at

Access to %unordered_map data.

Synopses

Declared in <boost/gil/histogram.hpp>

mapped_type const&
at(key_type const& __k) const;

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Access to %unordered_map data.

mapped_type&
at(key_type const& __k);

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Exceptions

Name

Thrown on

std::out_of_range

If no such data is present.

Return Value

A reference to the data whose key is equal to __k, if such a data is present in the %unordered_map.

Parameters

Name

Description

__k

The key for which data should be retrieved.

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