A Nim port of the kiwi-java implementation of the Cassowary constraint solving algorithm
import kiwi
let s = newSolver()
let x = newVariable()
let y = newVariable()
s.addConstraint(x == 20)
s.addConstraint(x + 2 == y + 10)
s.updateVariables()
assert(x.value == 20)
assert(y.value == 12)- overconstrained - collection of similar projects (github)