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* [Bug c++/51979] New: variadic templates + lambda capture list = error
@ 2012-01-24 11:15 i.nixman at gmail dot com
2012-01-24 12:56 ` [Bug c++/51979] " paolo.carlini at oracle dot com
0 siblings, 1 reply; 2+ messages in thread
From: i.nixman at gmail dot com @ 2012-01-24 11:15 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51979
Bug #: 51979
Summary: variadic templates + lambda capture list = error
Classification: Unclassified
Product: gcc
Version: 4.6.2
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: c++
AssignedTo: unassigned@gcc.gnu.org
ReportedBy: i.nixman@gmail.com
The following code:
template <class... Args> void foo(Args... args) {}
template <class... Args> void bar(Args... args) {
auto lambda = [=, args...]() {
foo(args...);
};
}
produce this error:
>g++ -std=c++0x lambd.cpp -olambd
lambd.cpp: In function 'void bar(Args ...)':
lambd.cpp:3:25: error: expected ',' before '...' token
lambd.cpp:3:25: error: expected identifier before '...' token
lambd.cpp:3:28: error: parameter packs not expanded with '...':
lambd.cpp:3:28: note: 'args'
lambd.cpp: In lambda function:
lambd.cpp:4:13: error: expansion pattern '((const bar(Args
...)::<lambda()>*)this)->bar(Args ...)::<lambda()>::args' contains no argument
packs
example from c++ draft 5.1.2.23:
template<class... Args>
void f(Args... args) {
auto lm = [&, args...] { return g(args...); };
lm();
}
^ permalink raw reply [flat|nested] 2+ messages in thread
* [Bug c++/51979] variadic templates + lambda capture list = error
2012-01-24 11:15 [Bug c++/51979] New: variadic templates + lambda capture list = error i.nixman at gmail dot com
@ 2012-01-24 12:56 ` paolo.carlini at oracle dot com
0 siblings, 0 replies; 2+ messages in thread
From: paolo.carlini at oracle dot com @ 2012-01-24 12:56 UTC (permalink / raw)
To: gcc-bugs
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51979
Paolo Carlini <paolo.carlini at oracle dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |RESOLVED
Resolution| |DUPLICATE
--- Comment #1 from Paolo Carlini <paolo.carlini at oracle dot com> 2012-01-24 11:56:18 UTC ---
Known issue.
*** This bug has been marked as a duplicate of bug 41933 ***
^ permalink raw reply [flat|nested] 2+ messages in thread
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2012-01-24 11:15 [Bug c++/51979] New: variadic templates + lambda capture list = error i.nixman at gmail dot com
2012-01-24 12:56 ` [Bug c++/51979] " paolo.carlini at oracle dot com
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