This is an interesting pattern. Thank you for sharing. Hernán
El mar, 15 mar 2022 a las 4:43, Julián Maestri (<serp...@gmail.com>) escribió: > Not satisfying the equality, but you can use polymorphism. > > Block >> , aBlock > ^ BlockCompositor andAll: OrderedCollection with: self with: aBlock > > BlockCompositor >> #, aBlock > conditions add: aBlock. > > BlockCompositor >> value: anObject > ^ conditions allSatisfy: [:e | e value: anObject ] > > I don't really like the name BlockCompositor, but can't think of a better > name at the moment. > > You could also implement logic for #or: using #+ and: #anySatisfy: for > example, but need to safeguard against mixing both conditions. > > On Mon, 14 Mar 2022 at 22:29, Hernán Morales Durand < > hernan.mora...@gmail.com> wrote: > >> I think I saw a coding pattern a while ago that allows you to do the >> following: >> >> cond1 , cond2 , cond3 , cond4 >> >> And providing a kind of folding selector condition #and: you would get: >> >> [ cond1 and: [ cond2 and: [ cond3 and: [ cond4 ] ] ] ]. >> >> for example: >> >> conditions := [ : each | each firstName = 'Boca' ] , >> [ : each | each lastName = 'Baret' ] , >> [ : each | each fullName = 'Virgasia' ]. >> >> such that the following assert is met: >> >> self assert: conditions equals: [ : each | each firstName = 'Boca' and: [ >> each lastName = 'Baret' and: [ each fullName = 'Virgasia' ] ] ]. >> >> Any ideas or pointers? >> >> Cheers, >> >> Hernán >> >>
