///
import compose = require('koa-compose');
var fn1: compose.Middleware = function(context: any, next: () => Promise): Promise {
return Promise
.resolve(console.log('in fn1'))
.then(() => next());
};
var fn2: compose.Middleware = function(context: any, next: () => Promise): Promise {
return Promise
.resolve(console.log('in fn2'))
.then(() => next());
};
var fn = compose([fn1, fn2]);