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fix: implement FilterChain

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-08-10 11:46:30 +02:00
parent cd53cb7036
commit c0028918ae
14 changed files with 311 additions and 17 deletions
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15
record/generic/monoid.go
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@@ -16,6 +16,7 @@
package generic
import (
F "github.com/IBM/fp-go/function"
M "github.com/IBM/fp-go/monoid"
S "github.com/IBM/fp-go/semigroup"
)
@@ -26,3 +27,17 @@ func UnionMonoid[N ~map[K]V, K comparable, V any](s S.Semigroup[V]) M.Monoid[N]
Empty[N](),
)
}
func UnionLastMonoid[N ~map[K]V, K comparable, V any]() M.Monoid[N] {
return M.MakeMonoid(
unionLast[N],
Empty[N](),
)
}
func UnionFirstMonoid[N ~map[K]V, K comparable, V any]() M.Monoid[N] {
return M.MakeMonoid(
F.Swap(unionLast[N]),
Empty[N](),
)
}