41697dcf6c
Two improvements [suggested](https://github.com/leanprover/lean4/pull/2970#issuecomment-1853436906) by @digama0 after the initial PR was merged. * Allow testing `implemented_by` attributes as well. * Use `DecidableEq` rather than `BEq` for stricter testing.
15 lines
273 B
Text
15 lines
273 B
Text
import Lean.Util.TestExtern
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deriving instance DecidableEq for ByteArray
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test_extern Nat.add 12 37
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test_extern 4 + 5
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test_extern ByteArray.copySlice ⟨#[1,2,3]⟩ 1 ⟨#[4, 5, 6, 7, 8, 9, 10, 11, 12, 13]⟩ 0 6
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def f := 3
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@[implemented_by f]
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def g := 4
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test_extern g
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