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Add support for Boost.Ref in match_results::format.

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Update docs accordingly.
Fixes #4020.

[SVN r60678]
This commit is contained in:
John Maddock
2010-03-17 18:20:09 +00:00
parent 446604c734
commit 67f5369cae
37 changed files with 391 additions and 255 deletions
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7
doc/match_result.qbk
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@ -368,7 +368,10 @@ that computes the replacement string from a function call: either
`fmt(*this)` which must return a container of `char_type`'s to be used as the
replacement text, or either `fmt(*this, out)` or `fmt(*this, out, flags)`, both of
which write the replacement text to `*out`, and then return the new
OutputIterator position.
OutputIterator position. Note that if the formatter is a functor, then it is
['passed by value]: users that want to pass function objects with internal state
might want to use [@../../../../doc/html/ref.html Boost.Ref] to wrap the object so
that it's passed by reference.
[*Effects]: If `fmt` is either a null-terminated string, or a
container of `char_type`'s, then copies the character sequence `[fmt.begin(), fmt.end())` to
@ -383,7 +386,7 @@ ECMA-262, ECMAScript Language Specification, Chapter 15 part
If `fmt` is a function object, then depending on the number of arguments
the function object accepts, it will either:
* Call `fmt(*this)` and copy the result to `OutputIterator`
* Call `fmt(*this)` and copy the string returned to `OutputIterator`
/out/.
* Call `fmt(*this, out)`.
* Call `fmt(*this, out, flags)`.