Refactor templateSpec less method (#5840)

internal/templating/template_test.go

@@ -0,0 +1,14 @@
+package templating
+
+import "testing"
+
+func BenchmarkTemplateLess(b *testing.B) {
+	a := templateSpec{
+		template:  "aa|bb|cc|dd|ee|ff",
+		separator: "|",
+	}
+	specs := templateSpecs{a, a}
+	for i := 0; i < b.N; i++ {
+		specs.Less(0, 1)
+	}
+}