Returns a Predicate that ignores its inputs and always yields false.
Returns a Predicate that ignores its inputs and always yields true.
Constructs a constant Predicate from its parameters.
Constructs a Predicate from the partial function pf.
Constructs a Predicate from the partial function pf. All Ts for
which pf throws an exception are considered invalid according to P.
Constructs a Predicate from its parameters.