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Improve error reporting for ill-typed applicative functor type #1491

Merged
merged 6 commits into from Dec 13, 2017
Merged

Improve error reporting for ill-typed applicative functor type #1491

merged 6 commits into from Dec 13, 2017

Commits on Dec 13, 2017

  1. add tests of error messages of applicative functor types

    @v-gb
    v-gb committed Dec 13, 2017
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  2. share code that checks that the functor application F(M) is well-typed

    @v-gb
    v-gb committed Dec 13, 2017
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  3. Improve error reporting for ill-typed applicative functor type, F(M).t

    @v-gb
    v-gb committed Dec 13, 2017
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  4. try to clarify what the subtyping error is about

    @v-gb
    v-gb committed Dec 13, 2017
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  5. reject the use of generative functors as applicative (MPR#7611)

    @v-gb
    v-gb committed Dec 13, 2017
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  6. report nice errors for applicative functors in all cases

    @v-gb
    v-gb committed Dec 13, 2017
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