"#+":
  - "1.1" : "1.0 + 0.1"

"#-":
  - "0.9" : "1.0 - 0.1"

"#as_string, #str":
  - '"0.1"' : "0.1.as_string"
  - '"1.0"' : "1.0.str"

"#as_int, #i":
  - "1" : "1.0.as_integer"
  - "0" : "0.1.i"

"#as_float, #f":
  - "0.1" : "0.1.as_float"
  - "1.0" : "1.0.f"

"#sin":
  - "0.0" : "0.0.sin"
  - "-1.0.sin" : "0.0 - 1.0.sin"

"#cos":
  - "1.0" : "0.0.cos"
  - "1.0.cos" : "-1.0.cos"

"#abs":
  - "1.0" : "1.0.abs"
  - "1.0" : "-1.0.abs"
  - "(1.0 | 1.0)" : "(1.0 | -1.0).abs"