heycam.github.io/webidl

Jul 3, 2019 ... The type of an integer token is the same as the type of the constant, dictionary member or optional argument it is being used as the value of.

en.wiktionary.org/wiki/optional

optional. Edit; Read in another language. Contents. EnglishEdit. EtymologyEdit · option + -al. AdjectiveEdit. optional (not comparable). Not compulsory; left to ...

www.weheartswift.com/dictionaries

A dictionary of type [String:Int] has keys of type String and values of type Int . ... The method will return the old value wrapped in an optional or nil if there was no  ...

medium.com/livefront/swift-expected-nil-not-nil-27ac2eb8505d

May 4, 2018 ... That's why line 8 above behaves as expected. If you want to explicitly set your value to nil in a Dictionary with an optional value type, you must ...

www.reddit.com/r/godot/comments/9kn28s/optional_typing_for_dictionary_entries

I was messing around with the 3.1 alpha and I noticed the type-checker can't catch this error var my_dict: Dictionary = { "foo" : "bar" } ...

www.programiz.com/python-programming/methods/dictionary/get

The get() method returns the value for the specified key if key is in dictionary. ... key - key to be searched in the dictionary; value (optional) - Value to be returned  ...

www.wordreference.com/es/translation.asp?tranword=optional

optional - Translation to Spanish, pronunciation, and forum discussions.

www.tutorialspoint.com/swift/swift_dictionaries

Swift Dictionaries - Learn Swift in simple and easy steps starting from basic to advanced ... This method returns an optional value of the dictionary's value type.

www.wordreference.com/definition/optional

optional - WordReference English dictionary, questions, discussion and forums. All Free.