Reading a sample program that says:
@rooms << Room.new(reference, name, description, connections)
What does the “<<” part do? Thanks!
Reading a sample program that says:
@rooms << Room.new(reference, name, description, connections)
What does the “<<” part do? Thanks!
Hi,
imho << reads Room.new(reference, name, description, connections) into
@rooms
Sebastian B.
Sent with Sparrow
It adds an instance of Room to the @rooms array
It places a new room in @rooms. Imagine this
target <[gun]< bullet
The answer is, “it depends on what @rooms is”. In Ruby, (almost)
everything’s an object, so when you write “@rooms << …”, you’re
actually invoking the “<<” method on “@rooms”.
If @rooms is an Array, for example, then << will append to the end of
the array, which is probably what’s happening here.
John F.
Principal Consultant, BitsBuilder
LI: http://www.linkedin.com/in/johnxf
SO: http://stackoverflow.com/users/75170/
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