alpha parser, version 0.2 (2023-03-04) - Annotated Source Code for file entry.undeclaredVar.alpha
001: type M : string -> integer
002: 
003: function entry : M
004: 
005: entry(s) := {
006:     return x;
                ^0
     LINE 6:12 ** ERROR #0: the name 'x', used here as a variable name, has not been declared at this point in the program.

007: }
008: