lean4-htt/tests/elab/elabCmd.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.Elab
open Lean.Elab.Term
def getCtors (c : Name) : TermElabM (List Name) := do
let env ← getEnv;
(match env.find? c with
| some (ConstantInfo.inductInfo val) =>
pure val.ctors
| _ => pure [])
def elabAnonCtor (args : Array (TSyntax `term)) (τ : Expr) : TermElabM Expr :=
match τ.getAppFn with
| Expr.const C _ => do
let ctors ← getCtors C;
(match ctors with
| [c] => do
let stx ← `($(Lean.mkIdent c) $args*);
elabTerm stx τ
-- error handling
| _ => unreachable!)
| _ => unreachable!
elab "foo⟨" args:term,* "⟩" : term <= τ => do
elabAnonCtor args τ
example : Nat × Nat := foo⟨1, 2⟩