26 lines
498 B
Text
26 lines
498 B
Text
new_frontend
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universes u
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def a : Array ((Nat × Nat) × Bool) := #[]
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def b : Array Nat := #[]
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structure Foo :=
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(x : Array ((Nat × Nat) × Bool) := #[])
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(y : Nat := 0)
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#check (b).modifyOp (idx := 1) (fun s => 2)
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#check { b with [1] := 2 }
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#check { a with [1].fst.2 := 1 }
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def foo : Foo := {}
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#check foo.x[1].1.2
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#check { foo with x[1].2 := true }
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#check { foo with x[1].fst.snd := 1 }
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#check { foo with x[1].1.fst := 1 }
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#check { foo with x[1].1.1 := 5 }
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#check { foo with x[1].1.2 := 5 }
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