lean4-htt/tests/elab/structuralEqns.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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import Lean
open Lean
open Lean.Meta
def tst (declName : Name) : MetaM Unit := do
IO.println (← getUnfoldEqnFor? declName)
/-- info: (some List.map.eq_def) -/
#guard_msgs in
#eval tst ``List.map
#check @List.map.eq_1
#check @List.map.eq_2
#check @List.map.eq_def
def foo (xs ys zs : List Nat) : List Nat :=
match (xs, ys) with
| (xs', ys') =>
match zs with
| z::zs => foo xs ys zs
| _ => match ys' with
| [] => [1]
| _ => [2]
/-- info: (some foo.eq_def) -/
#guard_msgs in
#eval tst ``foo
#check foo.eq_1
#check foo.eq_2
#check foo.eq_def
/-- info: (some foo.eq_def) -/
#guard_msgs in
#eval tst ``foo
def g : List Nat → List Nat → Nat
| [], y::ys => y
| [], ys => 0
| [x1], ys => g [] ys
| x::xs, y::ys => g xs ys + y
| x::xs, [] => g xs []
/-- info: (some g.eq_def) -/
#guard_msgs in
#eval tst ``g
#check g.eq_1
#check g.eq_2
#check g.eq_3
#check g.eq_4
#check g.eq_5
#check g.eq_def
def h (xs : List Nat) (y : Nat) : Nat :=
match xs with
| [] => y
| x::xs =>
match y with
| 0 => h xs 10
| y+1 => h xs y
/-- info: (some h.eq_def) -/
#guard_msgs in
#eval tst ``h
#check h.eq_1
#check h.eq_2
#check h.eq_def
def r (i j : Nat) : Nat :=
i +
match j with
| Nat.zero => 1
| Nat.succ j =>
i * match j with
| Nat.zero => 2
| Nat.succ j => r i j
/-- info: (some r.eq_def) -/
#guard_msgs in
#eval tst ``r
#check r.eq_1
#check r.eq_2
#check r.eq_3
#check r.eq_def
def bla (f g : ααα) (a : α) (i : α) (j : Nat) : α :=
f i <|
match j with
| Nat.zero => i
| Nat.succ j =>
g i <| match j with
| Nat.zero => a
| Nat.succ j => bla f g a i j
/-- info: (some bla.eq_def) -/
#guard_msgs in
#eval tst ``bla
#check @bla.eq_1
#check @bla.eq_2
#check @bla.eq_3
#check @bla.eq_def