# Copyright 2013-2023 Lawrence Livermore National Security, LLC and other
# Spack Project Developers. See the top-level COPYRIGHT file for details.
#
# SPDX-License-Identifier: (Apache-2.0 OR MIT)

from spack.package import *


class RLazyeval(RPackage):
    """Lazy (Non-Standard) Evaluation.

    An alternative approach to non-standard evaluation using formulas.
    Provides a full implementation of LISP style 'quasiquotation', making it
    easier to generate code with other code."""

    cran = "lazyeval"

    license("GPL-3.0-only")

    version("0.2.2", sha256="d6904112a21056222cfcd5eb8175a78aa063afe648a562d9c42c6b960a8820d4")
    version("0.2.1", sha256="83b3a43e94c40fe7977e43eb607be0a3cd64c02800eae4f2774e7866d1e93f61")
    version("0.2.0", sha256="13738f55b2044184fe91f53d17516a445dfb508227527921218cda6f01f98dcb")

    depends_on("r@3.1.0:", type=("build", "run"))