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fix: add reduce and filter (#79)

Signed-off-by: Carsten Leue <carsten.leue@de.ibm.com>
This commit is contained in:
Carsten Leue
2023-11-11 16:50:18 +01:00
committed by GitHub
parent 4b68e66528
commit c0b16c675b
13 changed files with 516 additions and 26 deletions

View File

@@ -51,6 +51,24 @@ func ReduceWithIndex[GA ~[]A, A, B any](fa GA, f func(int, B, A) B, initial B) B
return current
}
func ReduceRight[GA ~[]A, A, B any](fa GA, f func(A, B) B, initial B) B {
current := initial
count := len(fa)
for i := count - 1; i >= 0; i-- {
current = f(fa[i], current)
}
return current
}
func ReduceRightWithIndex[GA ~[]A, A, B any](fa GA, f func(int, A, B) B, initial B) B {
current := initial
count := len(fa)
for i := count - 1; i >= 0; i-- {
current = f(i, fa[i], current)
}
return current
}
func Append[GA ~[]A, A any](as GA, a A) GA {
return append(as, a)
}