25 lines
536 B
Text
25 lines
536 B
Text
#check list.map
|
|
|
|
variable l : list nat
|
|
|
|
#check l~>1 -- Error l is not a structure
|
|
|
|
#check (1, 2)~>5 -- Error insufficient fields
|
|
|
|
example (l : list nat) : list nat :=
|
|
l~>forr (λ x, x + 1) -- Error there is no list.forr
|
|
|
|
example (A : Type) (a : A) : A :=
|
|
a~>symm -- Error type of 'a' is not a constant application
|
|
|
|
example (l : list nat) : list nat :=
|
|
l~>for (λ x, x + 1)
|
|
|
|
example (l : list nat) : list nat :=
|
|
l^.for (λ x, x + 1)
|
|
|
|
example (a b : nat) (h : a = b) : b = a :=
|
|
h~>symm
|
|
|
|
example (a b : nat) (h : a = b) : b = a :=
|
|
h^.symm
|