Smalltalk-80 already had lambdas and LINQ, they were just called blocks and collection methods instead.
Pattern matching in OOP languages was a path pursued by BETA, Simula's successor by the same authors, where even classes are instances of patterns as concept.
What features?
Smalltalk-80 already had lambdas and LINQ, they were just called blocks and collection methods instead.
Pattern matching in OOP languages was a path pursued by BETA, Simula's successor by the same authors, where even classes are instances of patterns as concept.