code: func ParseSchemaFile(file string) (Schema, error) {
  	fileContents, err := ioutil.ReadFile(file)
  	if err != nil {
  		return nil, err
  	}
  
  	return ParseSchema(string(fileContents))
  }
docs: // ParseSchemaFile parses a given file.
  // May return an error if schema is not parsable or file does not exist.