Debugging

Go มีเครื่องมือหลายอย่างสำหรับ debugging: print, delve, pprof

Print Debugging

package main

import (
    "fmt"
    "log"
)

type User struct {
    ID    int
    Name  string
    Email string
}

func processUser(u User) {
    // Simple print
    fmt.Printf("Processing user: %+v\n", u)

    // With log (includes timestamp)
    log.Printf("User ID: %d, Name: %s\n", u.ID, u.Name)

    // Debug format - shows Go syntax
    fmt.Printf("Debug: %#v\n", u)

    // Type information
    fmt.Printf("Type: %T\n", u)
}

func main() {
    user := User{ID: 1, Name: "สมชาย", Email: "s@mail.com"}
    processUser(user)
}