EndBASIC X.Y.Z
    Copyright YYYY-YYYY Julio Merino

    Type HELP for interactive usage information.

>>> Type inference
FALSE FALSE
 0  0
 3  3
HelloHello
>>> Automatic type promotion
 5.4
 8
>>> Inconsistent type annotations in expressions
ERROR: 1:22: Incompatible type annotation in d? reference
ERROR: 1:34: Incompatible type annotation in a1# reference
>>> Inconsistent type annotations in commands
ERROR: 1:14: Incompatible type annotation in i# reference
ERROR: 1:30: Incompatible type annotation in a2# reference
>>> Type annotations in function calls
 3
 3
ERROR: 1:7: Incompatible type annotation in LEN$ reference
>>> Invalid type access
ERROR: 1:14: i is not an array nor a function
ERROR: 1:7: In call to LEN: function requires arguments
ERROR: 1:7: PRINT is not an array nor a function
>>> Argless function calls
 3.141592653589793
ERROR: 1:7: In call to PI: expected no arguments nor parenthesis
>>> Function references
ERROR: 1:1: In call to INPUT: 1:7: PI is not an array nor a function
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