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ilammy / sabre

Minmatar Scheme
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Introduce Undefined expression #21

Closed ilammy closed 6 years ago

ilammy commented 6 years ago

We've been arbitrarily using #f as a placeholder value for missing terms. Stop doing this and introduce an explicit expression which denotes an undefined value. Use it in macro expanders for error recovery.

ilammy commented 6 years ago

Once again, Travis build currently fails because of an issue on their side. Merge this into the staging branch without passing checks. We'll verify the branch later.