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Require Import Ltac2.Ltac2.
Ltac2 Type 'a foo := { a : 'a; b : 'a }.
Ltac2 foo1 () := { { a := (); b := () } with a := () }.
Fail Ltac2 foo2 () := { { a := (); b := () } with a := 2 }.
Ltac2 Type ('a,'b) bar := { aa : 'a; bb : 'b }.
Ltac2 bar1 () := { { aa := (); bb := () } with aa := () }.
Ltac2 bar2 () := { { aa := (); bb := () } with aa := 2 }.
Fail Ltac2 foobar () := { { a := (); b := () } with aa := () }.
Ltac2 varvar v := { v with aa := () }.
Print varvar.
(* From #17764 *)
Module Point.
Ltac2 Type t := { x : int ; y : int }.
Ltac2 origin : t := { x := 0; y := 0; }.
End Point.
Ltac2 Eval { Point.origin with Point.y := 1; }.
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