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fix: don't emit Unit type the casts (#1349)
Previously, the forms cast to the type Unit would still result in variable assignment emissions, which produces invalid C. Consider the case: ```clojure ;; type of System.exit is (Int -> a) (defn main [] (the () (System.exit 0))) ``` This previously produced bad variable assignments. It now works as expected and emits only the function call.
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@ -530,7 +530,8 @@ toC toCMode (Binder meta root) = emitterSrc (execState (visit startingIndent roo
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var <- visit indent value
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let Just t = ty
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fresh = mangle (freshVar info)
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appendToSrc (addIndent indent ++ tyToCLambdaFix t ++ " " ++ fresh ++ " = " ++ var ++ "; // From the 'the' function.\n")
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unless (isUnit t)
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(appendToSrc (addIndent indent ++ tyToCLambdaFix t ++ " " ++ fresh ++ " = " ++ var ++ "; // From the 'the' function.\n"))
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pure fresh
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-- Ref
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[XObj Ref _ _, value] ->
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