lean4-htt/tests/elab/coeIssues4.lean
Garmelon 08eb78a5b2
chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

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Text

--
def f : List Int → Bool := fun _ => true
def ex3 : IO Bool := do
let xs ← pure [1, 2, 3];
pure $ f xs -- Works
inductive Expr
| val : Nat → Expr
| app : Expr → Expr → Expr
instance : Coe Nat Expr := ⟨Expr.val⟩
instance : OfNat Expr n where
ofNat := Expr.val n
def foo : Expr → Expr := fun e => e
def ex1 : Bool :=
f [1, 2, 3] -- Works
def ex2 : Bool :=
let xs := [1, 2, 3];
f xs -- Works
def ex4 :=
[1, 2, 3].map $ fun x => x+1
def ex5 (xs : List String) :=
xs.foldl (fun r x => r.push x) Array.empty
set_option pp.all true in
/-- info: foo (@OfNat.ofNat.{0} Expr (nat_lit 1) (@instOfNatExpr (nat_lit 1))) : Expr -/
#guard_msgs in
#check foo 1
def ex6 :=
foo 1