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< a name = "range.reference.extending.method_1" > < / a > < a class = "link" href = "method_1.html" title = "Method 1: provide member functions and nested types" > Method 1: provide
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member functions and nested types< / a >
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This procedure assumes that you have control over the types that should
be made conformant to a Range concept. If not, see < a class = "link" href = "method_2.html" title = "Method 2: provide free-standing functions and specialize metafunctions" > method
2< / a > .
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The primary templates in this library are implemented such that standard
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containers will work automatically and so will < a href = "../../../../../../../libs/array/index.html" target = "_top" > boost::array< / a > .
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Below is given an overview of which member functions and member types a
class must specify to be useable as a certain Range concept.
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Member function
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Related concept
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< code class = "computeroutput" > < span class = "identifier" > begin< / span > < span class = "special" > ()< / span > < / code >
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< a class = "link" href = "../../concepts/single_pass_range.html" title = "Single Pass Range" > Single Pass
Range< / a >
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< code class = "computeroutput" > < span class = "identifier" > end< / span > < span class = "special" > ()< / span > < / code >
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< a class = "link" href = "../../concepts/single_pass_range.html" title = "Single Pass Range" > Single Pass
Range< / a >
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Notice that < code class = "computeroutput" > < span class = "identifier" > rbegin< / span > < span class = "special" > ()< / span > < / code >
and < code class = "computeroutput" > < span class = "identifier" > rend< / span > < span class = "special" > ()< / span > < / code >
member functions are not needed even though the container can support bidirectional
iteration.
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The required member types are:
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Member type
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Related concept
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< code class = "computeroutput" > < span class = "identifier" > iterator< / span > < / code >
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< a class = "link" href = "../../concepts/single_pass_range.html" title = "Single Pass Range" > Single Pass
Range< / a >
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< code class = "computeroutput" > < span class = "identifier" > const_iterator< / span > < / code >
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< a class = "link" href = "../../concepts/single_pass_range.html" title = "Single Pass Range" > Single Pass
Range< / a >
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Again one should notice that member types < code class = "computeroutput" > < span class = "identifier" > reverse_iterator< / span > < / code >
and < code class = "computeroutput" > < span class = "identifier" > const_reverse_iterator< / span > < / code >
are not needed.
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< td align = "right" > < div class = "copyright-footer" > Copyright © 2003 -2010 Thorsten Ottosen, Neil Groves< p >
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at < a href = "http://www.boost.org/LICENSE_1_0.txt" target = "_top" > http://www.boost.org/LICENSE_1_0.txt< / a > )
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