Questions Tagged [optional-chaining]

Optional chaining is a process for querying and calling properties, methods, and subscripts on an optional that might currently be nil/null . If the optional contains a value, the property, method, or subscript call succeeds; if the optional is nil/null , the property, method, or subscript call returns nil/null. Use for questions about such chaining with a appropriate language tag like [swift], [JavaScript], etc.

Question is empty. Ask new Question

Popular Questions

Top Members

Trending Tags

redux version-control ide rss line azure-ad-b2c bundler html-agility-pack abap orientdb statusbar implementation projection fwrite intentfilter one-to-one lua-table nonetype dotnetopenauth rounded-corners timezone-offset moss rmagick interstitial resourcebundle html-input drawimage recharts clip-path probability-density udf unobtrusive-javascript javaagents python-behave rollover discord-jda postman-collection-runner azure-queues mysql-real-escape-string desire2learn appveyor accounting azure-data-flow filepond twincat websphere-6.1 imbalanced-data range-v3 pygments webhdfs