[Bug libstdc++/84056] map insertes a pair when check a value

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84056

Jonathan Wakely  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |INVALID

--- Comment #6 from Jonathan Wakely  ---
Not a bug, this is how std::map works.

[Bug libstdc++/84056] map insertes a pair when check a value

[alper.ccc at yandex dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84056

--- Comment #5 from Alper Ce  ---
(In reply to Marc Glisse from comment #4)
> (In reply to Alper Ce from comment #3)
> > I didn't assign anything to my_map(i didn't use assignment operator = ), i
> > just used == operator to check value of it.
> 
> Again, did you read the doc for operator[]? For instance
> http://en.cppreference.com/w/cpp/container/map/operator_at

Sorry
You are right.

[Bug libstdc++/84056] map insertes a pair when check a value

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84056

--- Comment #4 from Marc Glisse  ---
(In reply to Alper Ce from comment #3)
> I didn't assign anything to my_map(i didn't use assignment operator = ), i
> just used == operator to check value of it.

Again, did you read the doc for operator[]? For instance
http://en.cppreference.com/w/cpp/container/map/operator_at

[Bug libstdc++/84056] map insertes a pair when check a value

[alper.ccc at yandex dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84056

--- Comment #3 from Alper Ce  ---
(In reply to Marc Glisse from comment #2)
> Where is the bug? Did you read the documentation for operator[]?

I didn't assign anything to my_map(i didn't use assignment operator = ), i just
used == operator to check value of it.

[Bug libstdc++/84056] map insertes a pair when check a value

[glisse at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84056

--- Comment #2 from Marc Glisse  ---
Where is the bug? Did you read the documentation for operator[]?