search

bjpop / language-python

A parser for Python 2.x and 3.x written in Haskell
157 stars 46 forks source link

Compilation error: ambiguous `take` and `drop` #39

Open deyaaeldeen opened 6 years ago

deyaaeldeen commented 6 years ago

I get this error compiling using GHC 8.2.2

[12 of 23] Compiling Language.Python.Common.LexerUtils ( src/Language/Python/Common/LexerUtils.hs, .stack-work/dist/x86_64-osx/Cabal-2.0.1.1/build/Language/Python/Common/LexerUtils.o )

    /private/var/folders/1h/zmwb8fgs24l0djxm06mn_d600000gq/T/stack29031/language-python-0.5.4/src/Language/Python/Common/LexerUtils.hs:98:14: error:
        Ambiguous occurrence ‘take’
        It could refer to either ‘Prelude.take’,
                                 imported from ‘Prelude’ at src/Language/Python/Common/LexerUtils.hs:14:8-40
                                 (and originally defined in ‘GHC.List’)
                              or ‘Map.take’,
                                 imported from ‘Data.Map’ at src/Language/Python/Common/LexerUtils.hs:19:1-49
                                 (and originally defined in ‘Data.Map.Internal’)
       |
    98 |    literal = take len str
       |              ^^^^

    /private/var/folders/1h/zmwb8fgs24l0djxm06mn_d600000gq/T/stack29031/language-python-0.5.4/src/Language/Python/Common/LexerUtils.hs:123:17: error:
        Ambiguous occurrence ‘drop’
        It could refer to either ‘Prelude.drop’,
                                 imported from ‘Prelude’ at src/Language/Python/Common/LexerUtils.hs:14:8-40
                                 (and originally defined in ‘GHC.List’)
                              or ‘Map.drop’,
                                 imported from ‘Data.Map’ at src/Language/Python/Common/LexerUtils.hs:19:1-49
                                 (and originally defined in ‘Data.Map.Internal’)
        |
    123 |    = toBinary . drop 2
        |                 ^^^^

    /private/var/folders/1h/zmwb8fgs24l0djxm06mn_d600000gq/T/stack29031/language-python-0.5.4/src/Language/Python/Common/LexerUtils.hs:139:26: error:
        Ambiguous occurrence ‘take’
        It could refer to either ‘Prelude.take’,
                                 imported from ‘Prelude’ at src/Language/Python/Common/LexerUtils.hs:14:8-40
                                 (and originally defined in ‘GHC.List’)
                              or ‘Map.take’,
                                 imported from ‘Data.Map’ at src/Language/Python/Common/LexerUtils.hs:19:1-49
                                 (and originally defined in ‘Data.Map.Internal’)
        |
    139 |    return $ toToken loc (take len str)
        |                          ^^^^