chore: golang 1.22+

.github/workflows/golangci-lint.yml

@@ -12,15 +12,15 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ '1.21' ]
+        go-version: [ '1.22' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
           cache: true
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v3
+        uses: golangci/golangci-lint-action@v6
         with:
-          version: v1.54.0
+          version: v1.59.1

.github/workflows/unit.yml

@@ -1,30 +1,21 @@
-name: gotest-unit
+name: Unit
 on:
-  push:
-    branches:
-      - master
   pull_request:
-permissions:
-  contents: read
+
 jobs:
   test:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        go-version: [ '1.21' ]
+        go-version: [ '1.22' ]
     steps:
-      - uses: actions/checkout@v3
+      -
+        name: Checkout
+        uses: actions/checkout@v4
       - name: Setup Go
-        uses: actions/setup-go@v4
+        uses: actions/setup-go@v5
         with:
           go-version: ${{ matrix.go-version }}
           cache: true
-      - name: Install dependencies
-        run: go get .
       - name: Test with Go
-        run: go test -json > TestResults-${{ matrix.go-version }}.json
-      - name: Upload Go test results
-        uses: actions/upload-artifact@v3
-        with:
-          name: Go-results-${{ matrix.go-version }}
-          path: TestResults-${{ matrix.go-version }}.json
+        run: go test ./...

.golangci.yml

@@ -1,24 +1,21 @@
 run:
+  go: "1.22"
   timeout: 1m
 linters:
   enable-all: true
   disable:
     # deprecated
-    - nosnakecase
-    - structcheck
-    - interfacer
-    - deadcode
-    - exhaustivestruct
-    - maligned
-    - ifshort
-    - varcheck
-    - golint
-    - scopelint
+    - execinquery
+    - gomnd
     # not relevant
+    - wrapcheck
+    - paralleltest
+    - exhaustruct
+    - tagalign
     - varnamelen
 linters-settings:
   lll:
-    line-length: 160
+    line-length: 140
   gci:
     sections:
       - Standard

Makefile

@@ -0,0 +1,10 @@
+.PHONY: *
+
+test:
+	go test -tags mock -race -cover ./...
+
+lint:
+	go run github.com/golangci/golangci-lint/cmd/[email protected] run --color always ${args}
+
+lint-fix:
+	make lint args=--fix

bench_test.go

@@ -13,7 +13,7 @@ import (
 func BenchmarkPacker(b *testing.B) {
 	items := make([]*boxpacker3.Item, 0, 100)
 
-	for x := 0; x < 100; x++ {
+	for range 100 {
 		w, _ := rand.Int(rand.Reader, big.NewInt(150))
 		l, _ := rand.Int(rand.Reader, big.NewInt(150))
 		h, _ := rand.Int(rand.Reader, big.NewInt(150))

box.go

@@ -1,7 +1,7 @@
 package boxpacker3
 
 import (
-	"golang.org/x/exp/slices"
+	"slices"
 )
 
 type Box struct {

copyptr.go

@@ -1,17 +1,22 @@
 package boxpacker3
 
-func copyPtr[T any](original *T) *T {
+// CopyPtr creates a copy of a pointer.
+func CopyPtr[T any](original *T) *T {
+	if original == nil {
+		return nil
+	}
+
 	copyOfValue := *original
 
 	return &copyOfValue
 }
 
-func copySlicePtr[T any](data []*T) []*T {
+// CopySlicePtr creates a copy of a slice of pointers.
+func CopySlicePtr[T any](data []*T) []*T {
 	result := make([]*T, len(data))
 
-	for i := range data {
-		val := *data[i]
-		result[i] = &val
+	for i, item := range data {
+		result[i] = CopyPtr(item)
 	}
 
 	return result

go.mod

@@ -1,20 +1,15 @@
 module github.com/bavix/boxpacker3
 
-go 1.20
+go 1.22
 
 require (
-	github.com/g3n/engine v0.2.0
 	github.com/google/uuid v1.6.0
 	github.com/stretchr/testify v1.9.0
-	golang.org/x/exp v0.0.0-20230801115018-d63ba01acd4b
+	golang.org/x/exp v0.0.0-20240707233637-46b078467d37
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b // indirect
-	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/image v0.11.0 // indirect
-	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,58 +1,14 @@
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/g3n/engine v0.2.0 h1:7dmj4c+3xHcBnYrVmRuVf/oZ2JycxJU9Y+2FQj1Af2Y=
-github.com/g3n/engine v0.2.0/go.mod h1:rnj8jiLdKEDI8VbveKhmdL4rovjjy+uxNP5YROg2x8g=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20210410170116-ea3d685f79fb/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b h1:GgabKamyOYguHqHjSkDACcgoPIz3w0Dis/zJ1wyHHHU=
-github.com/go-gl/glfw/v3.3/glfw v0.0.0-20221017161538-93cebf72946b/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 h1:DACJavvAHhabrF08vX0COfcOBJRhZ8lUbR+ZWIs0Y5g=
-github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=
-golang.org/x/exp v0.0.0-20230801115018-d63ba01acd4b h1:r+vk0EmXNmekl0S0BascoeeoHk/L7wmaW2QF90K+kYI=
-golang.org/x/exp v0.0.0-20230801115018-d63ba01acd4b/go.mod h1:FXUEEKJgO7OQYeo8N01OfiKP8RXMtf6e8aTskBGqWdc=
-golang.org/x/image v0.0.0-20210607152325-775e3b0c77b9/go.mod h1:023OzeP/+EPmXeapQh35lcL3II3LrY8Ic+EFFKVhULM=
-golang.org/x/image v0.11.0 h1:ds2RoQvBvYTiJkwpSFDwCcDFNX7DqjL2WsUgTNk0Ooo=
-golang.org/x/image v0.11.0/go.mod h1:bglhjqbqVuEb9e9+eNR45Jfu7D+T4Qan+NhQk8Ck2P8=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.8.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.6.0/go.mod h1:2Tu9+aMcznHK/AK1HMvgo6xiTLG5rD5rZLDS+rp2Bjs=
-golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220520151302-bc2c85ada10a/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/sys v0.5.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
-golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.5.0/go.mod h1:jMB1sMXY+tzblOD4FWmEbocvup2/aLOaQEp7JmGp78k=
-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 v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.12.0/go.mod h1:TvPlkZtksWOMsz7fbANvkp4WM8x/WCo/om8BMLbz+aE=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/exp v0.0.0-20240707233637-46b078467d37 h1:uLDX+AfeFCct3a2C7uIWBKMJIR3CJMhcgfrUAqjRK6w=
+golang.org/x/exp v0.0.0-20240707233637-46b078467d37/go.mod h1:M4RDyNAINzryxdtnbRXRL/OHtkFuWGRjvuhBJpk2IlY=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
-gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

item.go

@@ -105,10 +105,10 @@ func (i *Item) Intersect(it *Item) bool {
 
 // rectIntersect Checks if two rectangles intersect from the x and y axes of elements i1 and i2.
 func rectIntersect(d1, d2 Dimension, i1, i2 *Item, x, y Axis) bool {
-	cx1 := i1.position[x] + d1[x]/2 //nolint:gomnd
-	cy1 := i1.position[y] + d1[y]/2 //nolint:gomnd
-	cx2 := i2.position[x] + d2[x]/2 //nolint:gomnd
-	cy2 := i2.position[y] + d2[y]/2 //nolint:gomnd
+	cx1 := i1.position[x] + d1[x]/2 //nolint:mnd
+	cy1 := i1.position[y] + d1[y]/2 //nolint:mnd
+	cx2 := i2.position[x] + d2[x]/2 //nolint:mnd
+	cy2 := i2.position[y] + d2[y]/2 //nolint:mnd
 
 	ix := math.Max(cx1, cx2) - math.Min(cx1, cx2)
 	iy := math.Max(cy1, cy2) - math.Min(cy1, cy2)