factoring the specialized iterator adaptors

[SVN r19467]
This commit is contained in:
Jeremy Siek
2003-08-05 19:42:37 +00:00
parent 0f42b93c3b
commit 76af84c0e7
23 changed files with 826 additions and 570 deletions

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The transform iterator adapts an iterator by applying some function
object to the result of dereferencing the iterator. In other words,
the ``operator*`` of the transform iterator first dereferences the
base iterator, passes the result of this to the function object, and
then returns the result.