It is simple.
I want to make this using SnapKit:
leftElement rightElement
anotherleftElement rightElement
lftElmnt rightElement
It means that every rightElement have margin based on width of leftElement plus lets say 20 px. I use it as a cell in a TableView.
Left element has constraints like this:
leftElement.snp.makeConstraints { (make) -> Void in
make.top.equalTo(self).offset(10)
make.left.equalTo(self).offset(20)
make.right.equalTo(self).offset(-20)
}