From dadafd9cfabbea5555c404b339bbf44252ee7e6b Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Fri, 10 Feb 2023 20:48:21 -0700
Subject: decode: decodeAny: Use rune types rather that char literals

---
 decode.go | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/decode.go b/decode.go
index 07ca792..976cc6a 100644
--- a/decode.go
+++ b/decode.go
@@ -891,13 +891,12 @@ func (dec *Decoder) scanNumber(gTyp reflect.Type, out fastio.RuneWriter) *Decode
 }
 
 func (dec *Decoder) decodeAny() (any, *DecodeError) {
-	c, _, err := dec.readRune()
+	t, err := dec.peekRuneType()
 	if err != nil {
 		return nil, err
 	}
-	dec.unreadRune()
-	switch c {
-	case '{':
+	switch t {
+	case jsonparse.RuneTypeObjectBeg:
 		ret := make(map[string]any)
 		typ := reflect.TypeOf(ret)
 		var nameBuf strings.Builder
@@ -922,7 +921,7 @@ func (dec *Decoder) decodeAny() (any, *DecodeError) {
 			return nil, err
 		}
 		return ret, nil
-	case '[':
+	case jsonparse.RuneTypeArrayBeg:
 		ret := []any{}
 		typ := reflect.TypeOf(ret)
 		if err := dec.decodeArray(typ, func() *DecodeError {
@@ -940,13 +939,13 @@ func (dec *Decoder) decodeAny() (any, *DecodeError) {
 			return nil, err
 		}
 		return ret, nil
-	case '"':
+	case jsonparse.RuneTypeStringBeg:
 		var buf strings.Builder
 		if err := dec.decodeString(nil, &buf); err != nil {
 			return nil, err
 		}
 		return buf.String(), nil
-	case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
+	case jsonparse.RuneTypeNumberIntNeg, jsonparse.RuneTypeNumberIntZero, jsonparse.RuneTypeNumberIntDig:
 		var buf strings.Builder
 		if err := dec.scan(&buf); err != nil {
 			return nil, err
@@ -960,9 +959,9 @@ func (dec *Decoder) decodeAny() (any, *DecodeError) {
 			return nil, dec.newTypeError("number "+buf.String(), float64Type, err)
 		}
 		return f64, nil
-	case 't', 'f':
+	case jsonparse.RuneTypeTrueT, jsonparse.RuneTypeFalseF:
 		return dec.decodeBool(nil)
-	case 'n':
+	case jsonparse.RuneTypeNullN:
 		return nil, dec.decodeNull()
 	default:
 		panic("should not happen")
-- 
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