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Merge pull request #45 from IBM/cleue-prefer-second-over-SK

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doc: ad doc to SK function
This commit is contained in:
Carsten Leue
2023-09-13 15:04:50 +02:00
committed by GitHub
parent da1449e680 9a9d13b066
commit 34844bcfc2
3 changed files with 4 additions and 0 deletions
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1
function/bind.go
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@@ -26,6 +26,7 @@ func Bind2nd[T1, T2, R any](f func(T1, T2) R, t2 T2) func(T1) R {
} }
} }
// SK function (SKI combinator calculus).
func SK[T1, T2 any](_ T1, t2 T2) T2 { func SK[T1, T2 any](_ T1, t2 T2) T2 {
return t2 return t2
} }

1
function/function.go
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@@ -62,6 +62,7 @@ func First[T1, T2 any](t1 T1, _ T2) T1 {
} }
// Second returns the second out of two input values // Second returns the second out of two input values
// Identical to [SK]
func Second[T1, T2 any](_ T1, t2 T2) T2 { func Second[T1, T2 any](_ T1, t2 T2) T2 {
return t2 return t2
} }

2
tuple/tuple.go
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@@ -21,10 +21,12 @@ func Of[T1 any](t T1) Tuple1[T1] {
return MakeTuple1(t) return MakeTuple1(t)
} }
// First returns the first element of a [Tuple2]
func First[T1, T2 any](t Tuple2[T1, T2]) T1 { func First[T1, T2 any](t Tuple2[T1, T2]) T1 {
return t.F1 return t.F1
} }
// Second returns the second element of a [Tuple2]
func Second[T1, T2 any](t Tuple2[T1, T2]) T2 { func Second[T1, T2 any](t Tuple2[T1, T2]) T2 {
return t.F2 return t.F2
} }