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To
specialize a member function, we must define the
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specialized
version of the function. A partial specialization
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specifies
what it expects as the template's actual arguments
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following
the class identifier. These arguments must be
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specified
in the order that corresponds to the formal
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template
argument list.
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Not
all arguments must be specialized; in these situations,
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the
identifiers specified in the formal template argument
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list
may be used instead of specific types and/or values.
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When
all arguments are specialized, we have an explicit
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specialization;
in this case, the template's formal argument
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list
is empty (e.g., template <>).
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