[MacRuby-devel] NSInvocationOperation usage Segmentation fault

[Sven A. Schmidt]

Hm, I'm not a ruby export but puts is used in the Thread examples at ruby-doc.

But I just read in the docs for initWithTarget:selector:object:

"The return type of the method may be void, a scalar value, or an object that can be returned as an id type."

I've tried returning strings and a dict and that worked but int/float/bool didn't, so it looks like object return values are supported but scalars aren't. nil also doesn't work -- but isn't that what "puts" would return? I understand ruby always returns the result of the last command from a scope.

-sas

On Oct 11, 2011, at 16:31, CMcP wrote:

> Is puts thread safe?  I tried having bar return a string rather than print it and having the main code print operation.result after the runloop finished executing.  That worked OK with no crash.
> -- CMcP
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