Re: no standard way of binding properties?
On Mar 10, 9:19 am, gnepp...@web.de wrote:
Hi all,
I may be overlooking something, but I can't find a standard (STL or
boost) way of binding a 'property', a.k.a. a pointer-to-member to an
unary or nullary function object.
So I came up with the following struct which I'm using in conjunction
with boost::bind.
I'd be happy to get rid of this proprietary way if there was a STL/
boost binder that did the same thing!
boost::mem_fn or boost::bind.
The standard library does have various binders but they are not
recommended because they are more limited and awkward, and are in fact
being replaced in the standard by the boost versions (with perhaps
minor modifications).
boost::mem_fn takes a pointer to an n-ary member function and returns
a (n+1)-ary function object, which can take an object, reference or
raw/smart pointer as its first parameter.
Alternatively it can take a pointer to member data and return a unary
function object.
boost::bind effectively calls boost::mem_fn on its first parameter
before binding the rest of the parameters.
Yechezkel Mett
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