   test 'interpolate a function call', ->
     b = -> 'b'
     eq 'abc', "a#{b()}c"
+    eq 'abc', "a#{b 0}c"
 
   test 'interpolate a math expression (add)', ->
     eq 'a5c', "a#{2 + 3}c"

suite 'String Interpolation', ->
# ----------

  test 'interpolate one string variable', ->
    b = 'b'

    #{b}
    c
    "
    eq """
      a
      b
      c
    """, """
      a
      #{b}
      c
    """
