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Decreases clauses require parentheses, unlike requires and ensures #1765

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msprotz opened this issue Jun 12, 2019 · 1 comment
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Decreases clauses require parentheses, unlike requires and ensures #1765

msprotz opened this issue Jun 12, 2019 · 1 comment
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component/parser

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@msprotz
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msprotz commented Jun 12, 2019 

Lemma ...
  (requires f x)
  (ensures g y)
  (decreases h z)

does not work but

Lemma ...
  (requires f x)
  (ensures g y)
  (decreases (h z))

does

It would be good to make this uniform.

Thanks,

Jonathan
@mtzguido
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Oh I actually fixed this with PR #2162 , it does not need parentheses anymore.

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@mtzguido @catalin-hritcu @msprotz