Originally posted by: DavidGravot

Hi

How to enforce the presence of an interval

Is 

cp.presenceOf(x)

enough or shall I explicitely write

cp.add ( cp.presenceOf(x))

Thanks !

Originally posted by: ChrisBr

Hello David,

Yes presenceOf returns a constraint which has to be added.

Hope this helps,

Chris.

Originally posted by: DavidGravot

Thanks !

I was confused by my own code where I was adding a constraint to CP and the line after storing the expression presenceOf, so I though "oh my god I forgot to add the constraint to enforce the presence", but my code was good : I simply wanted to return the presence...