On Fri, Jun 17, 2016 at 11:12:39PM +0000, Eric Wong wrote:
> The following also breaks the opt_case_dispatch optimization so
> it becomes a linear scan, but it still avoids allocating:
> 
> 	case value.class.to_s
> 	when "String".freeze, "Symbol".freeze
> 	when "Array".freeze
> 	  something
> 	else
> 	  something_else
> 	end

Huh.  I didn't know adding the `freeze` would kill the optimization.
Seems like we could fix that, though I'm not sure why anyone would do
this.  You can't access the strings anyway so freezing seems pointless
(maybe even warning worthy?)

-- 
Aaron Patterson
http://tenderlovemaking.com/

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