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What does <T::* int> mean? [duplicate]

Tags:

c++

template-meta-programming

In the code:

typedef
template< typename T>
boost::variant<T::* int, T::* string, T::* double, T::* bool>
   any_member;

What does the T::* mean/do?

like image 983
Matt Avatar asked Sep 14 '25 07:09

Matt

1 Answers

T::* is a pointer to a member of T. The int is the type of that member.

like image 179
NathanOliver Avatar answered Sep 16 '25 23:09

NathanOliver
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