module Chervil RSpec.describe Env do it 'has arithmetic from core' do env = Env.new expect(env.get('+').call([1.0, 2.0], env)).to eq(3.0) end it 'inherits from parent env' do parent = Env.new parent.set('x', 5) child = Env.new(parent) expect(child.get('x')).to eq(5) end end end