fix lint

Author: ysmood

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
 
       - name: lint
         if: matrix.os == 'ubuntu-latest'
-        run: go run github.com/ysmood/golangci-lint@latest -v 1.59.1
+        run: go run github.com/ysmood/golangci-lint@latest -v 1.64.5
 
       - name: test
         env:

.golangci.yml

@@ -1,13 +1 @@
-linters:
-  enable:
-    - gofmt
-    - revive
-    - gocyclo
-    - misspell
-
-linters-settings:
-  gocyclo:
-    min-complexity: 15
-
-issues:
-  exclude-dirs-use-default: false
+version: v1.64

lib/lcs/sequence.go

@@ -117,8 +117,10 @@ var regWord = regexp.MustCompile(`(?s)` + // enable . to match newline
 // RegRune to match a rune
 var regRune = regexp.MustCompile(`(?s).`)
 
+type contextSplitKey struct{}
+
 // SplitKey for context
-var SplitKey = struct{}{}
+var SplitKey = contextSplitKey{}
 
 // Split a line into words
 func Split(s string) []string {