import "context"
// Create a client (thread-safe)
client := graphql.NewClient("https://localhost:8080/graphql")
// Set client cookies
client.AddCookie("https://localhost:8080/graphql", "auth", "0000")
// Create a request
req := graphql.NewRequest(`
    query ($key: String!) {
        items (id:$key) {
            field1
            field2
            field3
        }
    }
`)
// Set request variables
req.Var("key", "value")
// Set header fields
req.Header("Cache-Control", "no-cache")
// Use any context
ctx := context.Background()
// Run the request and scan the response into a struct
var reponse ResponseStruct
if err := client.Run(ctx, req, &response); err != nil {
    log.Fatal(err)
}
client.ClearCookies()  // Clear cookies if needed (to reuse the client)

import "context"
// Create a client (thread-safe)
client := graphql.NewClient("https://localhost:8080/graphql")
// Create a request
req := graphql.NewRequest(`
    mutation ($file: Upload!) {
        singleUpload(file: $file) {
            id
        }
    }
`)
// Open a file
file := os.Open("a.txt")
defer file.Close()
req.File("file", "a.txt", file)
// Use any context
ctx := context.Background()
// Run the request and scan the response into a struct
var reponse ResponseStruct
if err := client.Run(ctx, req, &response); err != nil {
    log.Fatal(err)
}