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signal: warn if discarding auto-disconnect cookies

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This commit is contained in:
Danny Robson 2017-08-08 13:55:06 +10:00
parent 96d621a461
commit 6ecab5b6d0
1 changed files with 2 additions and 2 deletions
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4
signal.hpp
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@ -81,8 +81,8 @@ namespace util {
~signal ();
/// Add a callback to list.
cookie connect (callback&&);
cookie connect (const callback&);
cookie connect [[gnu::warn_unused_result]] (callback&&);
cookie connect [[gnu::warn_unused_result]] (const callback&);
void disconnect (cookie&);