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fix: add Wrap and Unwrap to endomorphism

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2024-01-11 17:18:35 +01:00
parent 709d74b135
commit aef0048119
2 changed files with 20 additions and 0 deletions
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10
endomorphism/generic/monoid.go
View File

@@ -28,6 +28,16 @@ func Of[ENDO ~func(A) A, F ~func(A) A, A any](f F) ENDO {
} }
} }
// Wrap converts any function to an [Endomorphism]
func Wrap[ENDO ~func(A) A, F ~func(A) A, A any](f F) ENDO {
return Of[ENDO](f)
}
// Unwrap converts any [Endomorphism] to a normal function
func Unwrap[F ~func(A) A, ENDO ~func(A) A, A any](f ENDO) F {
return Of[F](f)
}
func Identity[ENDO ~func(A) A, A any]() ENDO { func Identity[ENDO ~func(A) A, A any]() ENDO {
return Of[ENDO](F.Identity[A]) return Of[ENDO](F.Identity[A])
} }

10
endomorphism/monoid.go
View File

@@ -29,6 +29,16 @@ func Of[F ~func(A) A, A any](f F) Endomorphism[A] {
return G.Of[Endomorphism[A]](f) return G.Of[Endomorphism[A]](f)
} }
// Wrap converts any function to an [Endomorphism]
func Wrap[F ~func(A) A, A any](f F) Endomorphism[A] {
return G.Wrap[Endomorphism[A]](f)
}
// Unwrap converts any [Endomorphism] to a function
func Unwrap[F ~func(A) A, A any](f Endomorphism[A]) F {
return G.Unwrap[F](f)
}
// Identity returns the identity [Endomorphism] // Identity returns the identity [Endomorphism]
func Identity[A any]() Endomorphism[A] { func Identity[A any]() Endomorphism[A] {
return G.Identity[Endomorphism[A]]() return G.Identity[Endomorphism[A]]()