Merge pull request #9 from karamaru-alpha/fix/karamaru/panic

fix: panic when rangeStmt value's type is not *ast.Ident

copyloopvar.go

@@ -52,7 +52,9 @@ func checkRangeStmt(pass *analysis.Pass, rangeStmt *ast.RangeStmt) {
 	}
 	var value *ast.Ident
 	if rangeStmt.Value != nil {
-		value = rangeStmt.Value.(*ast.Ident)
+		if value, ok = rangeStmt.Value.(*ast.Ident); !ok {
+			return
+		}
 	}
 	for _, stmt := range rangeStmt.Body.List {
 		assignStmt, ok := stmt.(*ast.AssignStmt)

testdata/src/basic/main.go

@@ -20,4 +20,11 @@ func main() {
 		c, d := 1, j // want `The copy of the 'for' variable "j" can be deleted \(Go 1\.22\+\)`
 		_, _, _, _, _, _, _, _ = i, _i, j, _j, a, b, c, d
 	}
+
+	var t struct {
+		Bool bool
+	}
+	for _, t.Bool = range []bool{true, false} {
+		_ = t
+	}
 }

testdata/src/ignorealias/main.go

@@ -20,4 +20,11 @@ func main() {
 		c, d := 1, j
 		_, _, _, _, _, _, _, _ = i, _i, j, _j, a, b, c, d
 	}
+
+	var t struct {
+		Bool bool
+	}
+	for _, t.Bool = range []bool{true, false} {
+		_ = t
+	}
 }