de5e039c83
Summary: - Take `synthPendingDepth` into account when caching TC results - Add `maxSynthPendingDepth` option with default := 2. - Add support for tracking `synthPending` failures when using `set_option diagnostics true` closes #2522 closes #3313 closes #3927 Identical to #4114 but with `maxSynthPendingDepth := 1` closes #4114 cc @semorrison
13 lines
328 B
Text
13 lines
328 B
Text
[4, 5, 6]
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defInst.lean:8:26-8:32: error: failed to synthesize
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BEq Foo
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use `set_option diagnostics true` to get diagnostic information
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fun x y => sorryAx (?m x y) true : (x y : Foo) → ?m x y
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[4, 5, 6]
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fun x y => x == y : Foo → Foo → Bool
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[("hello", "hello")]
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false
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true
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true
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def instMMonad : Monad M :=
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ReaderT.instMonad
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