Make Result type :- friendly
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Add `IsFailure`, `PropagateFailure`, and `Extract` members to datatype `Result` to make it usable with `:-` assignments in Dafny. Update example to use `:-` with `Result`.
| print fileResult.value, "\n"; | ||
| } | ||
| var _ :- fs.CreateFile("test.txt"); | ||
| var _ :- fs.WriteFile("test.txt", "Test dummy file"); |
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When I implemented :-, I intended to support statements starting with :-, so that you could drop the var _ :- part in the above code. Did you try that? Does it work? Or do you get an error saying that there must not be an Extract method? In any case, I think there should still be a TODO note here
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This has now been added in another PR. |
robin-aws
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Mar 2, 2022
Dummy verification-breaking change
robin-aws
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Feb 20, 2023
Also applies dafny format and changes the lit commands to use the new CLI. Co-authored-by: Robin Salkeld <[email protected]>
davidcok
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* Working on reusable tests * Debugging * Debugging #2 * Debugging #3 * Debugging #4 * Debugging #4 * Debugging #5 * Debugging #6 * Debugging #7 * Debugging #8 * Debugging #9 * Debugging #10 * Debugging #11 * Debugging #12 * Debugging #13 * Debugging #14 * Debugging #14 * Debugging * Debugging * Debugging * Debugging * OK, except disabling 3.13.1 and nightly-latest until setup-dafny-action is fixed * OK, except disabling 3.13.1 and nightly-latest until setup-dafny-action is fixed * Fixing the concurrency check * Old edits * Edits to examples * Touchups to examples and library * Math relations and examples * Some docstring documentation * Some docstring documentation * typo * Formatting * Removing semicolon * Adjusting for Dafny 3 * Attempt to fix proof in ld dafny versions * Fixing up docstrings * Fixed examples * Fixed formatting * Fixed formatting * Formatting * Formatting --------- Co-authored-by: davidcok <[email protected]>
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Add
IsFailure,PropagateFailure, andExtractmembers to datatypeResultto makeit usable with
:-assignments in Dafny.Update example to use
:-withResult.