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core/alet works in unexpected way #175

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s-mage opened this issue Aug 13, 2016 · 1 comment

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bug

s-mage commented Aug 13, 2016 •

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Hi!

Seems like when one of alet args in not wrapped into monad it returns the value of the last of that arg.
Better show than explain:

err.core=> (alet [a (ei/right 1) b (inc a)] 42)
2
err.core=> (alet [a (ei/right 1) b (ei/right (inc a))] 42)
#<Right 42>
err.core=> (alet [a (ei/right 1) b (inc a) c (+ b 4)] 42)

IllegalArgumentException No context is set and it can not be automatically resolved from provided value  cats.context/throw-illegal-argument (context.cljc:32)
err.core=> (alet [a (ei/right 1) b (inc a) c (+ a 4)] 42)
2

I think it should raise exception in all that cases.

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Member

niwinz commented Aug 16, 2016

You are right.

niwinz added the bug label

ghost self-assigned this

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