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Cases expressions don't work #306

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Pytheas01 opened this issue Mar 4, 2015 · 0 comments

Pytheas01 commented Mar 4, 2015

Consider the following function in SymphonyTool 0.4:

headAndTail: seq of nat -> seq of nat
headAndTail(l) ==
cases l:
[] -> []
[h] ^ l2 -> l2
end

The following error message appears to the left of the empty sequence case:

no viable alt; token=[@735,2364:2365='[]',<72>,144:4](decision=171 state 0) decision=<<>>.

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