What's New in C# 8.0

on YouTube ↗13m

" summary

C# 8.0 introduces opt‑in nullable reference types that make ordinary references nonnullable by default, produce compiler warnings in existing code, and track null checks to prevent NullReferenceException; adds asynchronous streams via IAsyncEnumerable and await foreach so methods can yield items over time and async Main can await them; adds range and index syntax for array slicing, recursive patterns and switch expressions for concise pattern matching, target‑typed new, and default interface implementations for nonbreaking API evolution.

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" chapters (7)

1. 0:00Introduction
2. 0:33Nullable reference types
3. 5:34Async streams
4. 7:48Array range syntax
5. 8:52Patterns and expressions
6. 11:25Implicitly typed new
7. 11:55Default interface members

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