Use .Token to return from StringLit to avoid convT2E

html/html.go

@@ -34,7 +34,7 @@ var (
 		attr := map[string]string{}
 
 		for _, attrNode := range node.Child {
-			attr[attrNode.Child[0].Token] = attrNode.Child[2].Result.(string)
+			attr[attrNode.Child[0].Token] = attrNode.Child[2].Token
 		}
 
 		node.Result = attr

json/json.go

@@ -9,7 +9,7 @@ var (
 	_null       = Bind("null", nil)
 	_true       = Bind("true", true)
 	_false      = Bind("false", false)
-	_string     = StringLit(`"`)
+	_string     = Map(StringLit(`"`), func(r *Result) { r.Result = r.Token })
 	_number     = NumberLit()
 	_properties = Some(Seq(StringLit(`"`), ":", &_value), ",")
 
@@ -25,7 +25,7 @@ var (
 		ret := map[string]interface{}{}
 
 		for _, prop := range n.Child[2].Child {
-			ret[prop.Child[0].Result.(string)] = prop.Child[2].Result
+			ret[prop.Child[0].Token] = prop.Child[2].Result
 		}
 
 		n.Result = ret

literals.go

@@ -6,7 +6,7 @@ import (
 	"unicode/utf8"
 )
 
-// StringLit matches a quoted string and returns it in .Result. It may contain:
+// StringLit matches a quoted string and returns it in .Token. It may contain:
 //  - unicode
 //  - escaped characters, eg \" or \n
 //  - unicode sequences, eg \uBEEF
@@ -59,12 +59,12 @@ func StringLit(allowedQuotes string) Parser {
 				}
 			case quote:
 				if buf == nil {
-					node.Result = ps.Input[ps.Pos+1 : end]
+					node.Token = ps.Input[ps.Pos+1 : end]
 					ps.Pos = end + 1
 					return
 				}
 				ps.Pos = end + 1
-				node.Result = buf.String()
+				node.Token = buf.String()
 				return
 			default:
 				if buf == nil {

literals_test.go

@@ -10,19 +10,19 @@ func TestStringLit(t *testing.T) {
 	parser := StringLit(`"'`)
 	t.Run("test double match", func(t *testing.T) {
 		result, p := runParser(`"hello"`, parser)
-		require.Equal(t, `hello`, result.Result)
+		require.Equal(t, `hello`, result.Token)
 		require.Equal(t, "", p.Get())
 	})
 
 	t.Run("test single match", func(t *testing.T) {
 		result, p := runParser(`"hello"`, parser)
-		require.Equal(t, `hello`, result.Result)
+		require.Equal(t, `hello`, result.Token)
 		require.Equal(t, "", p.Get())
 	})
 
 	t.Run("test nested quotes", func(t *testing.T) {
 		result, p := runParser(`"hello 'world'"`, parser)
-		require.Equal(t, `hello 'world'`, result.Result)
+		require.Equal(t, `hello 'world'`, result.Token)
 		require.Equal(t, "", p.Get())
 	})
 
@@ -52,20 +52,20 @@ func TestStringLit(t *testing.T) {
 
 	t.Run("test escaping", func(t *testing.T) {
 		result, p := runParser(`"hello \"world\""`, parser)
-		require.Equal(t, `hello "world"`, result.Result)
+		require.Equal(t, `hello "world"`, result.Token)
 		require.Equal(t, ``, p.Get())
 	})
 
 	t.Run("test unicode chars", func(t *testing.T) {
 		result, p := runParser(`"hello 👺 my little goblin"`, parser)
-		require.Equal(t, `hello 👺 my little goblin`, result.Result)
+		require.Equal(t, `hello 👺 my little goblin`, result.Token)
 		require.Equal(t, ``, p.Get())
 	})
 
 	t.Run("test escaped unicode", func(t *testing.T) {
 		result, p := runParser(`"hello \ubeef cake"`, parser)
 		require.Equal(t, "", p.Error.expected)
-		require.Equal(t, "hello \uBEEF cake", result.Result)
+		require.Equal(t, "hello \uBEEF cake", result.Token)
 		require.Equal(t, ``, p.Get())
 	})
 

scripts/memprofile.sh

@@ -4,4 +4,4 @@ set -eu
 
 go build ./json/profile/json.go
 ./json.exe -memprofile mem.out
-go tool pprof json.exe mem.out
+go tool pprof --inuse_objects json.exe mem.out