lean4-htt/tests/lean/run/panicAtCheckAssignment.lean
2021-02-11 16:56:32 -08:00

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Text

import Lean
open Lean
open Lean.Meta
def bug : MetaM Unit := do
let i := 0
forallTelescopeReducing arbitrary fun ys _ => do
let mut j := 0
for y in ys do
throwError! "#{i+1}"
j := j + 1