Flow/go/src/flowserver/cmd/simple/main.go

package main

import (
	"flow/registry"
	"flowserver"
	"io/ioutil"
	"math"
	"net/http"
	"strings"
)

func main() {

	r := registry.New()
	r.Add("hello", func() string {
		return "hello world"
	})
	r.Add(strings.Split, strings.Join)

	fns := r.Add(math.Exp, math.Sin, math.Cos)
	//Describing groups of functions
	fns.Tags("math")
	fns.Extra("style", registry.M{"color": "#F00"})

	// Describing a function
	registry.Describer(
		r.Add(http.Get).Inputs("url"),
		r.Add(responseReader).Inputs("response"),
	).Tags("http").Extra("style", registry.M{"color": "#00F"})

	http.ListenAndServe(":5000", flowserver.New(r, "storename"))

}
func responseReader(r *http.Response) (string, error) {
	defer r.Body.Close()
	res, err := ioutil.ReadAll(r.Body)
	return string(res), err
}