chore: require Go 1.22+

Author: temoto

.github/workflows/test.yaml

@@ -56,9 +56,9 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          - { go: "1.12" }
-          - { go: "1.17" }
-          - { go: "1.18" }
+          - { go: "1.22" }
+          - { go: "1.24" }
+          - { go: "1.26" }
           - { go: "^1", coverage: true }
     steps:
       - uses: actions/checkout@v6

fuzz.go

@@ -1,5 +1,4 @@
 //go:build gofuzz
-// +build gofuzz
 
 package robotstxt
 

go.mod

@@ -1,5 +1,10 @@
 module github.com/temoto/robotstxt
 
-go 1.12
+go 1.22
 
 require github.com/stretchr/testify v1.3.0
+
+require (
+	github.com/davecgh/go-spew v1.1.0 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+)

scanner.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"go/token"
 	"os"
+	"slices"
 	"sync"
 	"unicode/utf8"
 )
@@ -22,7 +23,7 @@ type byteScanner struct {
 const tokEOL = "\n"
 
 var WhitespaceChars = []rune{' ', '\t', '\v'}
-var tokBuffers = sync.Pool{New: func() interface{} { return bytes.NewBuffer(make([]byte, 32)) }}
+var tokBuffers = sync.Pool{New: func() any { return bytes.NewBuffer(make([]byte, 32)) }}
 
 func newByteScanner(srcname string, quiet bool) *byteScanner {
 	return &byteScanner{
@@ -136,12 +137,7 @@ func (s *byteScanner) isEol() bool {
 }
 
 func (s *byteScanner) isSpace() bool {
-	for _, r := range WhitespaceChars {
-		if s.ch == r {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(WhitespaceChars, s.ch)
 }
 
 func (s *byteScanner) skipSpace() {