[squeak-dev] The Trunk: Kernel-cbc.1163.mcz
Levente Uzonyi
leves at caesar.elte.hu
Sun Mar 25 21:45:50 UTC 2018
On Sun, 25 Mar 2018, commits at source.squeak.org wrote:
> Chris Cunningham uploaded a new version of Kernel to project The Trunk:
> http://source.squeak.org/trunk/Kernel-cbc.1163.mcz
>
> ==================== Summary ====================
>
> Name: Kernel-cbc.1163
> Author: cbc
> Time: 21 March 2018, 9:09:20.773568 pm
> UUID: 45d9dad8-7c81-034e-b578-b9ccd291cab6
> Ancestors: Kernel-dtl.1162, Kernel-fn.1152
>
> Update #xor: to work with argument being a block as well.
>
> =============== Diff against Kernel-dtl.1162 ===============
>
> Item was added:
> + ----- Method: Boolean>>xor: (in category 'logical operations') -----
> + xor: aBoolean
> + "Exclusive OR. Answer true if the receiver is not equivalent to aBoolean."
> +
> + ^(self == aBoolean) not!
Why not just
^self ~~ aBoolean
?
>
> Item was changed:
> ----- Method: False>>xor: (in category 'logical operations') -----
> xor: aBoolean
> + "aBoolean is either a boolean, or an object who's #value returns a boolean (usually a block)."
> + ^aBoolean value ifTrue: [ true ] ifFalse: [ false ]!
I think the parameter should have a better name, because the #value send
doesn't make much sense when you read the code.
Levente
> - "Posted by Eliot Miranda to squeak-dev on 3/24/2009"
> -
> - ^aBoolean!
>
> Item was changed:
> ----- Method: True>>xor: (in category 'logical operations') -----
> xor: aBoolean
> + "aBoolean is either a boolean, or an object who's #value returns a boolean (usually a block)."
> + ^aBoolean value ifTrue: [ false ] ifFalse: [ true ]!
> - "Posted by Eliot Miranda to squeak-dev on 3/24/2009"
> -
> - ^aBoolean not!
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