added Reduce method
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4
go.mod
4
go.mod
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module git.milar.in/milarin/slices
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go 1.19
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go 1.19
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require git.milar.in/milarin/gmath v0.0.3
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go.sum
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go.sum
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git.milar.in/milarin/channel v0.0.7 h1:cVKtwgH/EE7U+XTHcoFCClJ4LR349KanzjX9xKwRcNg=
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git.milar.in/milarin/channel v0.0.7/go.mod h1:We83LTI8S7u7II3pD+A2ChCDWJfCkcBUCUqii9HjTtM=
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git.milar.in/milarin/gmath v0.0.3 h1:ii6rKNItS55O/wtIFhD1cTN2BMwDZjTBmiOocKURvxM=
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git.milar.in/milarin/gmath v0.0.3/go.mod h1:HDLftG5RLpiNGKiIWh+O2G1PYkNzyLDADO8Cd/1abiE=
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reduce.go
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reduce.go
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package slices
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import "git.milar.in/milarin/gmath"
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func Reduce[T, R any](slice []T, reducer func(current R, v T) R) R {
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res := new(R)
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Each(slice, func(v T) {
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*res = reducer(*res, v)
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})
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return *res
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}
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func SumReducer[N gmath.Number](a, b N) N {
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return a + b
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}
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reduce_test.go
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reduce_test.go
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package slices
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import (
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"fmt"
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"testing"
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)
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func TestReduce(t *testing.T) {
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s := Of(1, 2, 3)
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fmt.Println(Reduce(s, SumReducer[int]))
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}
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