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fix: add prepend method

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Signed-off-by: Dr. Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Dr. Carsten Leue
2023-12-21 16:46:47 +01:00
parent 12ef79184b
commit 973138c822
4 changed files with 53 additions and 10 deletions
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6
array/generic/array.go
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@@ -335,7 +335,7 @@ func Fold[AS ~[]A, A any](m M.Monoid[A]) func(AS) A {
}
}
func Push[GA ~[]A, A any](a A) func(GA) GA {
func Push[ENDO ~func(GA) GA, GA ~[]A, A any](a A) ENDO {
return F.Bind2nd(array.Push[GA, A], a)
}
@@ -346,3 +346,7 @@ func MonadFlap[FAB ~func(A) B, GFAB ~[]FAB, GB ~[]B, A, B any](fab GFAB, a A) GB
func Flap[FAB ~func(A) B, GFAB ~[]FAB, GB ~[]B, A, B any](a A) func(GFAB) GB {
return F.Bind2nd(MonadFlap[FAB, GFAB, GB, A, B], a)
}
func Prepend[ENDO ~func(AS) AS, AS []A, A any](head A) ENDO {
return array.Prepend[ENDO](head)
}