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> <span style="font-family: Calibri, Helvetica, sans-serif;font-size: 16px">What is the advantage of nil fractions compared to zero fractions?</span><div><span style="font-family: Calibri, Helvetica, sans-serif;font-size: 16px"><br></span></div><div><span style="font-family: Calibri, Helvetica, sans-serif;font-size: 16px">No advantages, I think. Just additional ifNil-checks somewhere else. IMO, it should be considered a bug that there are LayoutFrame instances with "nil" fractions.</span></div><div><span style="font-family: Calibri, Helvetica, sans-serif;font-size: 16px"><br></span></div><div><span style="font-family: Calibri, Helvetica, sans-serif;font-size: 16px">Best,</span></div><div><span style="font-family: Calibri, Helvetica, sans-serif;font-size: 16px">Marcel</span></div><div class="mb_sig"></div>
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<p style="color: #AAAAAA; margin-top: 10px;">Am 30.12.2019 14:15:28 schrieb Thiede, Christoph <christoph.thiede@student.hpi.uni-potsdam.de>:</p><div style="font-family:Arial,Helvetica,sans-serif">
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<p>Ah yes, we had also talked about this in <a href="http://forum.world.st/LayoutFrame-printOn-tp5104021.html" class="x_OWAAutoLink">
[squeak-dev] <span style="font-size: 12pt">LayoutFrame>>#printOn:</span></a><span style="font-size: 12pt">.</span></p>
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<p><span style="font-size: 12pt">Maybe we should define whether fractions are okay to be nil here. What is the advantage of nil fractions compared to zero fractions?</span></p>
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<div id="x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif;color: #000000"><b>Von:</b> Squeak-dev <squeak-dev-bounces@lists.squeakfoundation.org> im Auftrag von commits@source.squeak.org <commits@source.squeak.org><br>
<b>Gesendet:</b> Montag, 30. Dezember 2019 03:11:52<br>
<b>An:</b> squeak-dev@lists.squeakfoundation.org<br>
<b>Betreff:</b> [squeak-dev] The Inbox: Graphics-jr.425.mcz</span>
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<div class="PlainText">A new version of Graphics was added to project The Inbox:<br>
<a href="http://source.squeak.org/inbox/Graphics-jr.425.mcz">http://source.squeak.org/inbox/Graphics-jr.425.mcz</a><br>
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==================== Summary ====================<br>
<br>
Name: Graphics-jr.425<br>
Author: jr<br>
Time: 30 December 2019, 3:11:45.845402 am<br>
UUID: 465fa95d-6a50-a84d-8b73-7e90a2b9d2b5<br>
Ancestors: Graphics-pre.424<br>
<br>
Fix message not understood when the right or bottom fraction of a LayoutFrame is nil.<br>
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=============== Diff against Graphics-pre.424 ===============<br>
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Item was changed:<br>
----- Method: LayoutFrame>>printOn: (in category 'printing') -----<br>
printOn: aStream<br>
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super printOn: aStream.<br>
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aStream nextPutAll: '( '.<br>
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{ {'l'. self leftFraction. self leftOffset}. {'t'. self topFraction. self topOffset}. {'r'. self rightFraction. self rightOffset}. {'b'. self bottomFraction. self bottomOffset} } do: [:spec |<br>
aStream nextPutAll: spec first; space.<br>
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+ (spec second ifNil: [0]) printOn: aStream maxDecimalPlaces: 2.<br>
- spec second printOn: aStream maxDecimalPlaces: 2.<br>
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aStream nextPutAll: ((spec third ifNil: [0]) >= 0 ifTrue: ['+'] ifFalse: ['-']).<br>
(spec third ifNil: [0]) abs printOn: aStream maxDecimalPlaces: 0]<br>
separatedBy: [aStream space].<br>
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aStream nextPutAll: ' )'.!<br>
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