student.go

student.go

package student

import "fmt"

type Student struct {
    id int
    name string
}

func (s *Student) Id() int {
    return s.id
}

func (s *Student) Name() string {
    return s.name
}

func (s *Student) String() string {
    return fmt.Sprintf("%d %s",s.id, s.name) 
}

func New(id int, name string) *Student {
    if id  <= 0 {
        panic("idは1以上です。")
    }

    return &Student{id, name}
}