mod152.hs:2:26:
    Ambiguous occurrence `id'
    It could refer to either `M.id', defined at mod152.hs:2:36
                          or `Prelude.id', imported from Prelude

mod152.hs:2:26:
    Conflicting exports for `id':
      `id' exports `M.id' defined at mod152.hs:2:36
      `module Prelude' exports `Prelude.id' imported from Prelude