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26 lines
631 B
Go
26 lines
631 B
Go
package predicate
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func Not[A any](predicate func(A) bool) func(A) bool {
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return func(a A) bool {
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return !predicate((a))
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}
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}
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// And creates a predicate that combines other predicates via &&
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func And[A any](second func(A) bool) func(func(A) bool) func(A) bool {
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return func(first func(A) bool) func(A) bool {
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return func(a A) bool {
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return first(a) && second(a)
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}
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}
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}
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// Or creates a predicate that combines other predicates via ||
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func Or[A any](second func(A) bool) func(func(A) bool) func(A) bool {
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return func(first func(A) bool) func(A) bool {
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return func(a A) bool {
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return first(a) || second(a)
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}
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}
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}
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