meaning of :: in c++

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Hi, what does "::" mean in c++, as in following example?

setLayout (bb::cascades::ListLayout *layout)

Posted 30-Jan-13 11:19am

Matra Divat

Updated 22-Jun-18 18:31pm

Richard C Bishop

v2

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Comments

Sergey Alexandrovich Kryukov 30-Jan-13 17:58pm

What, reading documentation is not for you, is it? :-)
—SA

CPallini 30-Jan-13 18:17pm

It means: "we have nested namespaces and we're proud of them".

Albert Holguin 4-Feb-13 12:57pm

lol, I like your explanation

CPallini 5-Feb-13 3:29am

:-)

3 solutions

Solution 2

dear friend
it called "scop resolution" for accessing to the sub class or struc or even an object items.

Posted 3-Feb-13 8:15am

Mahdi Nejadsahebi

Solution 3

In layman's terms... it identifies something as being a component of the class on the left of the operator.

In this example...

C++

bb::cascades::ListLayout

"ListLayout" is a variable/class type (or struct) identified as part of "cascades" which is in turn part of "bb".

Posted 4-Feb-13 6:56am

Albert Holguin

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Richard MacCutchan · Accepted Answer · 2013-01-30T11:27:00

Solution 1

It's the Scope Resolution Operator[^].

Posted 30-Jan-13 11:27am

Richard MacCutchan

Comments

Matthew Faithfull 30-Jan-13 17:32pm

It so is.

Sergey Alexandrovich Kryukov 30-Jan-13 17:57pm

Oh! my 5 :-)
—SA

CPallini 30-Jan-13 18:17pm

5.