Syntax Lookup

Enter some language construct you want to know more about.

A module function takes a module as input and returns a new module.

A module function lets you parameterize modules over other modules.

Example

ReScriptJS Output

module type Greeter = {
  let greet: string => string
}

module MakeWelcome = (G: Greeter) => {
  let welcome = name => G.greet(name) ++ "!"
}

module English = {
  let greet = name => "Hello " ++ name
}

module Welcome = MakeWelcome(English)
let message = Welcome.welcome("Ada")

References