Gin Context.JSON does not work with a list of UDT objects

Hi, I tried to write a REST API that returns a list of objects, If the objects are strings (or any simple built-in objects), it works fine. However, if the objects are user-defined-type, Context.JSON returns a list of EMPTY objects. It does not work when I either passing list as input to the Context.JSON or parsing the list and inserting objects into gin.H{}

Comment From: manucorporat

can you provide the source code?

Comment From: nguyener

package main

import (
    "fmt"
    "net/http"
    "github.com/gin-gonic/gin"
)

type User struct{
    last string
    first string
}

func getUsers(c *gin.Context) {
        var users = []User{User{"Smith", "John"}, User{"Doe", "Jane"}}
        fmt.Println(users)
        c.JSON(http.StatusOK, users)
    }
}



func main(){
    r := gin.Default()

    r.GET("/users", getUsers)

    r.Run(":8080")
}

Note: The line fmt.Println(users) prints out the data correctly. But the /users route does not

UPDATED by @manucorporat: added code highlighting

Comment From: manucorporat

Well, that is not a Gin issue. Unexpected fields (lower case) are not included in the JSON. http://stackoverflow.com/questions/28035784/golang-marshal-unmarshal-json-with-both-exported-and-un-exported-fields

http://blog.golang.org/json-and-go

Use this instead:

type User struct{
    Last string `json:"last"`
    First string `json:"first"`
}

Comment From: nguyener

Thanks

On Thu, May 7, 2015 at 10:42 AM, Manu Mtz.-Almeida <notifications@github.com

wrote:

Closed #282 https://github.com/gin-gonic/gin/issues/282.

— Reply to this email directly or view it on GitHub https://github.com/gin-gonic/gin/issues/282#event-299516972.

Comment From: grifondopala

F*** my life I tryed to fix it 2 days and the error was in first letter lower case