// io.wren

foreign class File {
  // Checks if a file exists at the given path.
  foreign static exists(path)

  // Deletes the file at the given path. Returns true if successful.
  foreign static delete(path)

  // Reads the entire contents of the file at the given path.
  // Returns the contents as a string, or null if the file could not be read.
  foreign static read(path)

  // Writes the given string contents to the file at the given path.
  // Returns true if the write was successful.
  foreign static write(path, contents)
}