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fixpoint lib solver constraints equal.ex
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lib/solver/constraints/equal.ex

defmodule CPSolver.Constraint.Equal do
use CPSolver.Constraint
alias CPSolver.Propagator.Equal, as: EqualPropagator
alias CPSolver.IntVariable, as: Variable
def new(x, y, offset \\ 0)
def new(x, y, offset) when is_integer(y) do
new(x, Variable.new(y), offset)
end
def new(x, y, offset) do
new([x, y, offset])
end
@impl true
def propagators(args) do
[EqualPropagator.new(args)]
end
end