[swift-evolution] Proposal: x == 2 should not be a valid statement

[Joe Groff]

This should be covered by the standard library making `==` @warn_unused_result and/or the language making @warn_unused_result the default behavior for all declarations.

-Joe

> On Feb 11, 2016, at 3:32 PM, Amir Michail via swift-evolution <swift-evolution at swift.org> wrote:
> 
> It’s too easy to accidentally write “x==2” instead of “x=2”.
> 
> I don’t think something like “x==2” should be a valid statement.
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