fails-on-a-stuck-atom-deep-on-a-spine.yaml

# SPDX-FileCopyrightText: Copyright (c) 2025 Objectionary.com
# SPDX-License-Identifier: MIT
---
# An atom deeper on a binding's spine gets stuck exactly as it does under 𝕄
# alone: the run fails, unless '_partial' parks it.
input: '[[ x -> [[ L> Sym_arg_0 ]].foo ]]'
fails: "No entry of --symbolic answers the λ function 'Sym_arg_0'"