Re: [sc-dev] [commit] Color-==

[Till Bovermann <tboverma@xxxxxxxxxxxxxxxxxxxxxxxx>]

We still need this one in order to let Color-== work properly...
I think it is not in the distro for now...

could someone please... ?

regards
Till


On 07 Jan 2006, at 20:14, Till Bovermann wrote:

> Hey again,
>
> so this should do the trick?
>
> + Color {
> 	== {|that|
> 		^(that.respondsTo(#[\red, \green, \blue, \alpha])
> 			and: {(this.red  == that.red)
> 			and: {this.green == that.green}
> 			and: {this.blue  == that.blue}
> 			and: {this.alpha  == that.alpha}
> 		})
> 	}
>
> 	hash { ^red.hash bitXor: green.hash bitXor: blue.hash bitXor:  
> alpha.hash }
> }
>
>
> regards
> Till
>
>
> On 07 Jan 2006, at 07:17, James McCartney wrote:
>
> > This should not be committed unless you also override hash.
> > It is required that whenever you override ==, you must override  
> > hash such that things that compare equal have an equal hash.
> >
> > On Jan 4, 2006, at 12:52 PM, Till Bovermann wrote:
> >
> > > Hey all,
> > >
> > > could someone please checkin
> > >
> > > + Color {
> > > 	== {|that|
> > > 		^(that.respondsTo(#[\red, \green, \blue])
> > > 			and: {(this.red  == that.red)
> > > 			and: {this.green == that.green}
> > > 			and: {this.blue  == that.blue}
> > > 		})
> > > 	}
> > > }
> > >
> > > to Color?
> > >
> > > thanx in advance
> > > Till
> > >
> > >
> > > _
> > > may I ask for an sc dev account?
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> >
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