[MacRuby-devel] MacRuby pointers and Obj-C function returning a value by reference
fatste at gmail.com
Mon Jan 21 14:18:10 PST 2013
I've only ever made ranges in the past using this syntax:
range = NSMakeRange(0,1)
Which allows you to set the start point and length.
On 21/01/2013, at 22:08, "kwicher at wichry.net" <kwicher at wichry.net> wrote:
> I am trying to implement the following method of NSAttributedString in Macruby:
> - (id)attribute:(NSString *)attributeName atIndex:(NSUInteger)index effectiveRange:(NSRangePointer)aRange
> As by definition, it `Returns the value for an attribute with a given name of the character at a given index, and by reference the range over which the attribute applies.`
> OK, so I need a pointer to NSRange, which I set up as follows:
> It seems to be fine as `range.class` => `NSRange`.
> However, when I execute the method:
> my `range` is always `#<NSRange location=0 length=0>`. Also, `p range` gives me `#<NSRange location=0 length=0>`.
> Any ideas how to implement this correctly?
> MacRuby-devel mailing list
> MacRuby-devel at lists.macosforge.org
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