lean2/tests/lean/param_binder_update.lean

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section
parameter {A : Type}
parameter A
-- definition id (a : A) := a
parameter {A}
definition id₂ (a : A) := a
end
check @id
check @id₂
section
parameters {A : Type} {B : Type}
definition foo1 (a : A) (b : B) := a
parameters {A} (B)
definition foo2 (a : A) (b : B) := a
parameters (A) {B}
definition foo3 (a : A) (b : B) := a
parameters (A) (B)
definition foo4 (a : A) (b : B) := a
check @foo1
check @foo2
check @foo3
check @foo4
end
check @foo1
check @foo2
check @foo3
check @foo4
section
variables {A : Type} {B : Type}
definition boo1 (a : A) (b : B) := a
variables {A} (B)
definition boo2 (a : A) (b : B) := a
variables (A) {B}
definition boo3 (a : A) (b : B) := a
variables (A) (B)
definition boo4 (a : A) (b : B) := a
check @boo1
check @boo2
check @boo3
check @boo4
end
section
variables {A : Type} {B : Type}
parameter (A) -- ERROR
variable (C) -- ERROR
variables (C) (D) -- ERROR
variables C -- ERROR
definition id3 (a : A) := a
parameter id3 -- ERROR
parameter (C : Type)
variables {C} -- ERROR
end