7 lines
310 B
Smalltalk
7 lines
310 B
Smalltalk
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accessing
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oldestOf: userId
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self messages ifNil: [ ^ nil ].
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self messages ifEmpty: [ ^ nil ].
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^ ((self select: [ :tweet | tweet authorId = userId ])
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select: [ :tweet | tweet created = (((self select: [ :each | each authorId = userId ]) collect: [ :each | each created ]) asSortedCollection first)]) first
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