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Fix Product and ProductBy documentation (#647)

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These functions stated that if empty they return 0, but in actuality the code returns 1
This commit is contained in:
Mark Hildreth
2025-07-02 11:28:50 -04:00
committed by GitHub
parent 49f24de919
commit 82f753a511
1 changed files with 2 additions and 2 deletions
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4
math.go
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@@ -85,7 +85,7 @@ func SumBy[T any, R constraints.Float | constraints.Integer | constraints.Comple
return sum return sum
} }
// Product gets the product of the values in a collection. If collection is empty 0 is returned. // Product gets the product of the values in a collection. If collection is empty 1 is returned.
// Play: https://go.dev/play/p/2_kjM_smtAH // Play: https://go.dev/play/p/2_kjM_smtAH
func Product[T constraints.Float | constraints.Integer | constraints.Complex](collection []T) T { func Product[T constraints.Float | constraints.Integer | constraints.Complex](collection []T) T {
if collection == nil { if collection == nil {
@@ -103,7 +103,7 @@ func Product[T constraints.Float | constraints.Integer | constraints.Complex](co
return product return product
} }
// ProductBy summarizes the values in a collection using the given return value from the iteration function. If collection is empty 0 is returned. // ProductBy summarizes the values in a collection using the given return value from the iteration function. If collection is empty 1 is returned.
// Play: https://go.dev/play/p/wadzrWr9Aer // Play: https://go.dev/play/p/wadzrWr9Aer
func ProductBy[T any, R constraints.Float | constraints.Integer | constraints.Complex](collection []T, iteratee func(item T) R) R { func ProductBy[T any, R constraints.Float | constraints.Integer | constraints.Complex](collection []T, iteratee func(item T) R) R {
if collection == nil { if collection == nil {