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Solve constraints in unary_op_arg_type/2 #519

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erszcz opened this issue Mar 7, 2023 · 0 comments

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enhancement help wanted

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erszcz commented Mar 7, 2023 •

edited

This is here to track:

Gradualizer/src/typechecker.erl

Lines 3233 to 3236 in 1498d17

 %% TODO: this should be more specific once we're able to solve constraints on type vars. 

 %% Otherwise, we'll lose some feedback / precision. 

 %% With constraint solving, if the type variable resolves to pos_integer() 

 %% and _Op == '-' here, then we should have returned neg_integer().

erszcz added enhancement help wanted labels

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