Re: [ANN] Nano 1.4

• Subject: Re: [ANN] Nano 1.4
• From: "Dirk Stegemann (Mailing-Lists)" <email@hidden>
• Date: Wed, 20 Jun 2007 16:19:47 +0300
• Delivered-to: email@hidden
• Delivered-to: email@hidden

Hello,

Am 20.06.2007 um 14:20 schrieb Philip Aker:

On 2007-06-20, at 01:02:05, Mike Conley wrote:

And as long as I'm on the subject of those tagged parameters, what in hell is the point of those, anyway?

Amongst other things, it's the method signature -- which I think is a part of how the language knows which selector to target.

Imagine following methods:

To obtain selectors (SEL) to those methods, you'd write in code:

SEL selector1 = @selector(justAMethod:);
SEL selector2 = @selector(justAMethod::);
SEL selector3 = @selector(anotherMethod::);

Therefore, you wouldn't be able to distinguish between

- (void)justAMethod:(id)firstArgument argVariant1:(id)secondArgument;
- (void)justAMethod:(id)firstArgument argVariant2:(id)secondArgument;

Both would boild down to

SEL selector4 = @selector(justAMethod::);
SEL selector5 = @selector(justAMethod::);

Best,
Dirk Stegemann

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