Issue #18040 has been updated by bughit (bug hit).


> implicit casting from a statement to an expression within a method definition body

It's not just the method body, `x if y` without parens is an expression in any compound expression block which evaluates to its last expression value. That's a lot of contexts (loops, conditional, blocks, methods, lambdas, class bodies, module bodies, begin end, (x; y)) probably forgetting some. So what makes more sense, that it's conceptually an expression or a "statement" which oxymoronically produces a value?

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Feature #18040: Why should `foo(1 if true)` be an error?
https://bugs.ruby-lang.org/issues/18040#change-92961

* Author: bughit (bug hit)
* Status: Open
* Priority: Normal
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There's no ambiguity here that should require another set of parens `foo((1 if true))`



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