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Re: "No matching function" -- not finding copy constructor
From: |
Stefan Strasser |
Subject: |
Re: "No matching function" -- not finding copy constructor |
Date: |
Tue, 17 May 2005 18:16:14 +0200 |
User-agent: |
Mozilla Thunderbird 1.0.2 (X11/20050331) |
(moving to address@hidden)
Paul Koning schrieb:
I'm upgrading to V4.0.0 and struggling with some code that's seriously
into templates. One puzzling error is this one:
keyed_obj.hh:159: error: no matching function for call to
'CxnIndex::CxnIndex(CxnIndex)'
Indeces.hh:150: note: candidates are: CxnIndex::CxnIndex(CxnIndex&)
this is not a copy constructor, CxnIndex(CxnIndex const &) is...
Indeces.hh:145: note: ... and some more
...so these would be interesting.
CxnIndex(CxnIndex &) only accepts non-const l-values.
It's not entirely clear to me why something very much like a copy
constructor is being invoked in the first place. But the bigger
puzzle is: why isn't the copy constructor being matched? I would have
thought that any call with a T argument should match a function or
method with an &T argument in its declaration...
--
Stefan Strasser
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