08eb78a5b2
This PR sets up the new integrated test/bench suite. It then migrates all benchmarks and some related tests to the new suite. There's also some documentation and some linting. For now, a lot of the old tests are left alone so this PR doesn't become even larger than it already is. Eventually, all tests should be migrated to the new suite though so there isn't a confusing mix of two systems.
50 lines
1.2 KiB
Text
50 lines
1.2 KiB
Text
/-!
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# Test for issue 6373, variable capture for app elaborator eta feature
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https://github.com/leanprover/lean4/issues/6373
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-/
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def sum3 (x y z : Nat) : Nat := x + y + z
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/-!
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The following two used to elaborate differently.
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Now in the second, we can see that the `x` in the `fun` (from the eta feature), does not shadow the `x` in the `let`.
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Note that in both, `y` can still be used as a named argument.
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-/
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/--
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info: fun x =>
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(let w := 15;
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fun x y => sum3 x y w)
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x 3 : Nat → Nat
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-/
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#guard_msgs in
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#check (let w := 15; sum3 (z := w)) (y := 3)
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/--
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info: fun x =>
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(let x := 15;
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fun x_1 y => sum3 x_1 y x)
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x 3 : Nat → Nat
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-/
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#guard_msgs in
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#check (let x := 15; sum3 (z := x)) (y := 3)
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/-!
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Verifying that each evaluates to the same value when evaluated at `0`.
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The second used to evaluate to `3` instead of `18`.
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-/
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/-- info: 18 -/
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#guard_msgs in
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#eval (let w := 15; sum3 (z := w)) (y := 3) <| 0
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/-- info: 18 -/
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#guard_msgs in
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#eval (let x := 15; sum3 (z := x)) (y := 3) <| 0
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/-!
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Same verification, but make sure that `0` can be passed as a named argument.
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-/
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/-- info: 18 -/
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#guard_msgs in
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#eval (let w := 15; sum3 (z := w)) (y := 3) (x := 0)
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/-- info: 18 -/
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#guard_msgs in
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#eval (let x := 15; sum3 (z := x)) (y := 3) (x := 0)
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