Exercises & activities from the go workshop provided by Packt: https://courses.packtpub.com/courses/go
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65 lines
946 B
65 lines
946 B
package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"os"
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"strings"
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)
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type Person struct {
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Name string `json:"name"`
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Age int `json:"age"`
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}
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func loadPerson2(s string) (Person, error) {
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var p Person
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err := json.NewDecoder(strings.NewReader(s)).Decode(&p)
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if err != nil {
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return p, err
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}
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return p, nil
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}
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func loadPerson(r io.Reader) (Person, error) {
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var p Person
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err := json.NewDecoder(r).Decode(&p)
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if err != nil {
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return p, err
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}
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return p, nil
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}
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func main() {
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s := `{"Name":"Joe","Age":18}`
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s2 := `{"Name":"Jane","Age":21}`
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p, err := loadPerson(strings.NewReader(s))
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if err != nil {
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fmt.Println(err)
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}
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fmt.Println(p)
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p2, err := loadPerson2(s2)
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if err != nil {
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fmt.Println(err)
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}
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fmt.Println(p2)
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f, err := os.Open("data.json")
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if err != nil {
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fmt.Println(err)
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}
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p3, err := loadPerson(f)
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if err != nil {
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fmt.Println(err)
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}
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fmt.Println(p3)
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}
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