handle invalid float parsing

[taowen]

package main

import (
	"fmt"
	"log"

	"github.com/json-iterator/go"
)

func test(s string) {
	var err error
	var v interface{}
	err = jsoniter.Unmarshal([]byte(s), &v)
	if err != nil {
		log.Print(err)
		return
	}
	fmt.Println(v)
}

func main() {
	test("--2")   // 2 [Why not error?]
	test("002")   // 2 [Why not error?]
	test("00.2")  // 0.2 [Why not error?]
	test("1e1")   // 10 [Why not float?]
	test("1.0e1") // 10 [Why not float?]
}

reference: gin-gonic/gin#1026

[taowen]

should be fixed