LinearSequenceExpr.hs:7:3: error: [GHC-18872]
    • Couldn't match type ‘'Many’ with ‘'One’
        arising from multiplicity of ‘x’
    • In an equation for ‘f’: f x y = [x .. y]

LinearSequenceExpr.hs:7:5: error: [GHC-18872]
    • Couldn't match type ‘'Many’ with ‘'One’
        arising from multiplicity of ‘y’
    • In an equation for ‘f’: f x y = [x .. y]