[squeak-dev] The Inbox: Collections-cmm.1022.mcz

Marcel Taeumel marcel.taeumel at hpi.de
Mon Nov 21 08:58:47 UTC 2022


https://github.com/LinqLover/SimulationStudio#simulationstudio-tools [https://github.com/LinqLover/SimulationStudio#simulationstudio-tools]

Am 21.11.2022 01:11:41 schrieb Thiede, Christoph <christoph.thiede at student.hpi.uni-potsdam.de>:
> Interestingly, the in-image Method Finder doesn't find either one.

Simulation Method Finder does. :-)


Von: Squeak-dev <squeak-dev-bounces at lists.squeakfoundation.org> im Auftrag von Chris Muller <asqueaker at gmail.com>
Gesendet: Montag, 21. November 2022, 00:00
An: The general-purpose Squeak developers list <squeak-dev at lists.squeakfoundation.org>
Betreff: Re: [squeak-dev] The Inbox: Collections-cmm.1022.mcz

You're all 100% right.  I had forgotten about #splitBy:, but changing subStrings: certainly didn't feel right.  Interestingly, the in-image Method Finder doesn't find either one.  Thank you, community!  :)

I moved this to Treated.

 - Chris

On Sat, Nov 19, 2022 at 6:23 AM Thiede, Christoph <Christoph.Thiede at student.hpi.uni-potsdam.de [mailto:Christoph.Thiede at student.hpi.uni-potsdam.de]> wrote:

Hm ... don't we have #splitBy: for this? This seems like a possibly dangerous breaking change to me. No strong opinion, though. :-)

Von: Squeak-dev <squeak-dev-bounces at lists.squeakfoundation.org [mailto:squeak-dev-bounces at lists.squeakfoundation.org]> im Auftrag von Chris Muller <asqueaker at gmail.com [mailto:asqueaker at gmail.com]>
Gesendet: Samstag, 19. November 2022 06:24:43
An: squeak-dev at lists.squeakfoundation.org [mailto:squeak-dev at lists.squeakfoundation.org]
Betreff: Re: [squeak-dev] The Inbox: Collections-cmm.1022.mcz
I don't know why subStrings: should behave differently for empty fields as non-empty.

Before this change, empty fields are ignored:

    'a:b::d' subStrings: ':'  ==> " #('a' 'b' 'd') "
    '::::' subStrings: ':' ==> #()

after this change, empty fields are honored:

    'a:b::d' subStrings: ':'  ==> " #('a' 'b' '' 'd') "
    '::::' subStrings: ':' ==>  #('' '' '' '')


 - Chris    

On Fri, Nov 18, 2022 at 11:14 PM <commits at source.squeak.org [mailto:commits at source.squeak.org]> wrote:

Chris Muller uploaded a new version of Collections to project The Inbox:
http://source.squeak.org/inbox/Collections-cmm.1022.mcz [http://source.squeak.org/inbox/Collections-cmm.1022.mcz]

==================== Summary ====================

Name: Collections-cmm.1022
Author: cmm
Time: 18 November 2022, 11:14:01.223447 pm
UUID: 9a05d251-4f02-43de-94e8-0f077ec51680
Ancestors: Collections-nice.1021

Allow empty fields when using #subStrings:.

=============== Diff against Collections-nice.1021 ===============

Item was changed:
  ----- Method: String>>subStrings: (in category 'converting') -----
  subStrings: separators
        "Answer an array containing the substrings in the receiver separated
        by the elements of separators."
        | char result sourceStream subString |
-       #Collectn.
-       "Changed 2000/04/08 For ANSI <readableString> protocol."
        (separators isString or:[separators allSatisfy: [:element | element isCharacter]]) ifFalse:
                [^ self error: 'separators must be Characters.'].
        sourceStream := ReadStream on: self.
        result := OrderedCollection new.
        subString := String new.
        [sourceStream atEnd]
                        [char := sourceStream next.
                        (separators includes: char)
+                               ifTrue: [result add: subString copy.
+                                                       subString := String new]
-                               ifTrue: [subString notEmpty
-                                               ifTrue:
-                                                       [result add: subString copy.
-                                                       subString := String new]]
                                ifFalse: [subString := subString , (String with: char)]].
        subString notEmpty ifTrue: [result add: subString copy].
        ^ result asArray!

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