namespace test.multiple : <"Something">
version "${version.ok}"


type ExchangeRate:
  from int (1..1)
  to int (1..1)
  
type Obs:
  constant number (0..1)
  exchangeRate ExchangeRate (0..1)
  condition: one-of

func ExchangeRateFunc:
  inputs:
    from int (1..1)
    to   int (1..1)
  output:
    observable Obs (1..1)
  assign-output observable -> exchangeRate -> from:
    from
  assign-output observable -> exchangeRate -> to:
    to