Let's make sure our Express app has the required base modules:
# within root of API
npm install --save express pg knex bcrypt
npm install --save-dev nodemon
// `unit` is `return` from Haskell | |
// `bind` is `>>=` from Haskell, or `flatMap` from Scala | |
var None = { | |
bind: function (fn) { return this; }, | |
unit: function (v) { return Option(v); }, | |
getOrElse: function (elseValue) { return elseValue; } | |
}; | |
var Some = function (value) { |