module Import>Basic>List

Nil[].
Cons[first, rest].
Map[f, xs].
Apply[f, x].
//Should be shadowed
Sub1[].
Add3[].
Res[value].

Map[f, xs: Nil[]]: Nil[]
Map[f, xs: Cons[first, rest]]: Cons[Apply[f, xs>first], Map[f, xs>rest]]
//Should be shadowed
Apply[f: Sub1[], x: #Number[]]: #Subtract[x, 1]
Apply[f: Add3[], x]: "Unexpected"

//Should be unnecessary (doesn't even need to compile, but OK if does)
Res[value: Map[Sub1[], Cons[3, Cons[4, Cons[-5, Nil[]]]]]]?