Category:Smalltalk: Difference between revisions

False

ifYouAreTrueThenDo: arg1 ifNotThenDo: arg2

Now, we can send this message to a boolean, and pass the code to be executed conditionally as a lambda block:

<lang smalltalk>(a > 0) ifYouAreTrueThenDo:[ 'positive'printCR ] ifNotThenDo:[ 'negative' printCR ]</lang>