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No defaulting rules for polymorphic types #94

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Shimuuar opened this issue Jun 11, 2017 · 1 comment
Open

No defaulting rules for polymorphic types #94

Shimuuar opened this issue Jun 11, 2017 · 1 comment

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@Shimuuar
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  1. Try to evaluate block 10
  2. It will fail with error about ambiguous type a0.

Reason for that is clear. GHC needs to select AskInliterate instance for literal 10 but have no way to do so. I think this is something that couldn't be solved without compiler help.
@NickSeagull
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Yes, the eval block should be show 10, or rather it won't work

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@Shimuuar @NickSeagull