1 “... & closures LINQ, starting with sequences, lazy execution and standard query operators, and finishing with a...”

2 “... to advanced topics such as pointers, closures, and patterns Dig deep into LINQ with three chapters dedicated...”

3 “... types, operator lifting, closures, patterns, and asynchronous functions LINQ: sequences, lazy execution...”

4 “... fortgeschrittene Themen ab wie das Überladen von Operatoren, Typ-Constraints, Iteratoren, nullbare Typen, Closures...”