simple qtalk rpc example client

client.go

// client.go
package main

import (
    "context"
    "log"

    "github.com/progrium/qtalk-go/codec"
    "github.com/progrium/qtalk-go/fn"
    "github.com/progrium/qtalk-go/talk"
)

func main() {
    ctx := context.Background()

    // use talk.Dial to get a client
    client, err := talk.Dial("tcp", "localhost:9999", codec.JSONCodec{})
    if err != nil {
        log.Fatal(err)
    }
    defer client.Close()

    // call Upper and print the string return value
    var ret string
    _, err = client.Call(ctx, "Upper", fn.Args{"hello world"}, &ret)
    if err != nil {
        log.Fatal(err)
    }
    log.Println(ret)

    // call Error and expect err to be the returned error
    _, err = client.Call(ctx, "Error", fn.Args{"user error"}, nil)
    log.Println(err)

    // Output:
    // HELLO WORLD
    // remote: user error [/Error]
}