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vendor/github.com/ugorji/go/codec/decimal.go

@@ -8,19 +8,6 @@ import (
 	"strconv"
 )
 
-type readFloatResult struct {
-	mantissa uint64
-	exp      int8
-	neg      bool
-	trunc    bool
-	bad      bool // bad decimal string
-	hardexp  bool // exponent is hard to handle (> 2 digits, etc)
-	ok       bool
-	// sawdot   bool
-	// sawexp   bool
-	//_ [2]bool // padding
-}
-
 // Per go spec, floats are represented in memory as
 // IEEE single or double precision floating point values.
 //
@@ -247,10 +234,6 @@ func parseFloat64_custom(b []byte) (f float64, err error) {
 }
 
 func parseUint64_simple(b []byte) (n uint64, ok bool) {
-	if len(b) > 1 && b[0] == '0' { // punt on numbers with leading zeros
-		return
-	}
-
 	var i int
 	var n1 uint64
 	var c uint8
@@ -373,6 +356,19 @@ func parseNumber(b []byte, z *fauxUnion, preferSignedInt bool) (err error) {
 	return
 }
 
+type readFloatResult struct {
+	mantissa uint64
+	exp      int8
+	neg      bool
+	trunc    bool
+	bad      bool // bad decimal string
+	hardexp  bool // exponent is hard to handle (> 2 digits, etc)
+	ok       bool
+	// sawdot   bool
+	// sawexp   bool
+	//_ [2]bool // padding
+}
+
 func readFloat(s []byte, y floatinfo) (r readFloatResult) {
 	var i uint // uint, so that we eliminate bounds checking
 	var slen = uint(len(s))
@@ -388,23 +384,13 @@ func readFloat(s []byte, y floatinfo) (r readFloatResult) {
 		i++
 	}
 
-	// considered punting early if string has length > maxMantDigits, but doesn't account
+	// we considered punting early if string has length > maxMantDigits, but this doesn't account
 	// for trailing 0's e.g. 700000000000000000000 can be encoded exactly as it is 7e20
 
 	var nd, ndMant, dp int8
 	var sawdot, sawexp bool
 	var xu uint64
 
-	if i+1 < slen && s[i] == '0' {
-		switch s[i+1] {
-		case '.', 'e', 'E':
-			// ok
-		default:
-			r.bad = true
-			return
-		}
-	}
-
 LOOP:
 	for ; i < slen; i++ {
 		switch s[i] {