unsplash-filling-struct.go

import (
	"encoding/json"
	"fmt"
	"net/http"
)

// ...

func main() {
	url := baseURL + "/search/photos/?query=hats&client_id=" + applicationID
	resp, err := http.Get(url)
	if err != nil {
		fmt.Printf("buggered")
	}
	defer resp.Body.Close()
	var r PhotoResponse
	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
		fmt.Printf("buggered")
	}
	fmt.Printf("%+v\n", r)
}