[boost] [Boost-bugs] [ boost-Bugs-1617058 ] doc of placeholer expression requirements incomplete

From: SourceForge.net (noreply_at_[hidden])
Date: 2006-12-16 11:23:41

Bugs item #1617058, was opened at 2006-12-16 10:23
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Larry Evans (cppljevans)
Assigned to: Nobody/Anonymous (nobody)
Summary: doc of placeholer expression requirements incomplete

Initial Comment:
he 3 expression requirements on:

http://www.boost.org/libs/mpl/doc/refmanual/placeholder-expression.html

make no mention that X should have a nested
type typedef.  IOW, X must be a metafunction
as defined here:

http://www.boost.org/libs/mpl/doc/refmanual/metafunction.html

However, I believe it should since I'm
getting compile-time error messages
without the nested typedef.

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