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Document operator->*

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Peter Dimov 2021-09-05 07:05:49 +03:00
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doc/lambda2/reference.adoc
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@ -86,6 +86,10 @@ template<class A, class B> auto operator^=( A && a, B && b );
template<class A, class B> auto operator<<=( A && a, B && b );
template<class A, class B> auto operator>>=( A && a, B && b );
// additional binary operators
template<class A, class B> auto operator->*( A && a, B && b );
} // namespace lambda2
} // namespace boost
```
@ -388,3 +392,16 @@ template<class A, class B> auto operator@=( A && a, B && b );
+
Returns: :: `std::bind( fn, std::forward<A>(a), std::forward<B>(b) );`,
where `fn` is a function object such that `fn(x, y)` returns `x @= y`.
### Additional Binary Operators
```
template<class A, class B> auto operator->*( A && a, B && b );
```
[none]
* {blank}
+
Returns: :: `std::bind( std::forward<B>(b), std::forward<A>(a) );`
Notes: :: This operator is intended to be used with "projection" function
objects such as member pointers or member functions taking zero arguments,
as in `_1\->*&X::m` or `_1\->*&X::f`.