Udo,
Facu,I added the following method in MagmaCollectionReader which should fullfill your needs:
So, my question is: Can I use where: for this funcionality or I need use
select:? If you think that where: is appropiate, Do I need create a new
king of index to reach that?
read: attributeSymbol beginsWith: aKey
^ self read: attributeSymbol from: aKey upTo: aKey maAlphabeticalNext
This allows you to write your original select: based call as
self customers where: [:reader | reader read: #name beginsWith: firstsLetterOfName asUppercase]
CU,
Udo
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