From 66cfcc80f77b08c53869b00edd017cd712b8d60d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nils=20Gustav=20Str=C3=A5b=C3=B8?= <65334626+nilsgstrabo@users.noreply.github.com> Date: Tue, 14 Jan 2025 10:23:15 +0100 Subject: [PATCH 1/2] add MapMany slice function --- utils/slice/utils.go | 12 ++++++++++++ utils/slice/utils_test.go | 14 ++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/utils/slice/utils.go b/utils/slice/utils.go index 6d50fb8..e259601 100644 --- a/utils/slice/utils.go +++ b/utils/slice/utils.go @@ -25,6 +25,18 @@ func Map[T, V any](source []T, mapper func(T) V) []V { return result } +// Projects each elements of a slice to mapper function and builds a flattend slice from the slices returned by mapper. +func MapMany[SIn ~[]EIn, EIn any, SOut ~[]EOut, EOut any](source SIn, mapper func(EIn) SOut) []EOut { + var result []EOut + + for _, sourceVal := range source { + mappedVal := mapper(sourceVal) + result = append(result, mappedVal...) + } + + return result +} + // Applies an accumulator function over a slice. // The specified seed value is used as the initial accumulator value. func Reduce[TSource, TAccumulation any](source []TSource, seed TAccumulation, accumulator func(TAccumulation, TSource) TAccumulation) TAccumulation { diff --git a/utils/slice/utils_test.go b/utils/slice/utils_test.go index 0bf0912..1d27889 100644 --- a/utils/slice/utils_test.go +++ b/utils/slice/utils_test.go @@ -23,6 +23,20 @@ func Test_Map(t *testing.T) { assert.Equal(t, expected, actual) } +func Test_MapMapy(t *testing.T) { + type s struct { + items []string + } + testData := []s{ + {items: []string{"a", "b", "c"}}, + {items: []string{"b", "c", "d", "e"}}, + {items: []string{"f"}}, + } + expected := []string{"a", "b", "c", "b", "c", "d", "e", "f"} + actual := MapMany(testData, func(v s) []string { return v.items }) + assert.Equal(t, expected, actual) +} + func Test_Reduce(t *testing.T) { t.Run("test 1", func(t *testing.T) { type accumulation struct { From cbf1fca2c947295bf26724dbe0b5d96e961c1411 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Nils=20Gustav=20Str=C3=A5b=C3=B8?= <65334626+nilsgstrabo@users.noreply.github.com> Date: Tue, 14 Jan 2025 10:41:24 +0100 Subject: [PATCH 2/2] update go modules --- go.mod | 6 +++--- go.sum | 12 ++++++------ 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/go.mod b/go.mod index 3fb064f..8eafe6b 100644 --- a/go.mod +++ b/go.mod @@ -45,9 +45,9 @@ require ( github.com/twitchyliquid64/golang-asm v0.15.1 // indirect github.com/ugorji/go/codec v1.2.12 // indirect golang.org/x/arch v0.8.0 // indirect - golang.org/x/crypto v0.31.0 // indirect - golang.org/x/net v0.25.0 // indirect - golang.org/x/sys v0.28.0 // indirect + golang.org/x/crypto v0.32.0 // indirect + golang.org/x/net v0.34.0 // indirect + golang.org/x/sys v0.29.0 // indirect golang.org/x/text v0.21.0 // indirect google.golang.org/protobuf v1.34.1 // indirect gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 // indirect diff --git a/go.sum b/go.sum index 1b1b37d..2fcdc63 100644 --- a/go.sum +++ b/go.sum @@ -109,16 +109,16 @@ golang.org/x/arch v0.8.0/go.mod h1:FEVrYAQjsQXMVJ1nsMoVVXPZg6p2JE2mx8psSWTDQys= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= -golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U= -golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk= +golang.org/x/crypto v0.32.0 h1:euUpcYgM8WcP71gNpTqQCn6rC2t6ULUPiOzfWaXVVfc= +golang.org/x/crypto v0.32.0/go.mod h1:ZnnJkOaASj8g0AjIduWNlq2NRxL0PlBrbKVyZ6V/Ugc= golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s= golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU= -golang.org/x/net v0.25.0 h1:d/OCCoBEUq33pjydKrGQhw7IlUPI2Oylr+8qLx49kac= -golang.org/x/net v0.25.0/go.mod h1:JkAGAh7GEvH74S6FOH42FLoXpXbE/aqXSrIQjXgsiwM= +golang.org/x/net v0.34.0 h1:Mb7Mrk043xzHgnRM88suvJFwzVrRfHEHJEl5/71CKw0= +golang.org/x/net v0.34.0/go.mod h1:di0qlW3YNM5oh6GqDGQr92MyTozJPmybPK4Ev/Gm31k= golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= @@ -129,8 +129,8 @@ golang.org/x/sys v0.0.0-20220811171246-fbc7d0a398ab/go.mod h1:oPkhp1MJrh7nUepCBc golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.12.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= -golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA= -golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= +golang.org/x/sys v0.29.0 h1:TPYlXGxvx1MGTn2GiZDhnjPA9wZzZeGKHHmKhHYvgaU= +golang.org/x/sys v0.29.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA= golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=