Index
Symbols
- ! character, unwrapping optional variables, Optional Types
- != (inequality) operator, Operators
- & (ampersand), prefacing variables passed to functions as inout parameters, Functions and Closures
- + (addition) operator, combining strings, Working with Strings
- ++ (increment) operator, Swift 2 Versus Swift 3
- += (compound assignment) operator
- combining strings, Working with Strings
- -- (decrement) operator, Swift 2 Versus Swift 3
- -> (arrow) symbol, Functions and Closures
- . (dot) operator, accessing methods and properties, Operators
- ..< (range) operator, Loops
- .xib file extension
- AddAttachmentViewController.xib, Adding Attachments
- /* */, delimiting multiline comments, Comments
- //, in single-line comments, Comments
- /// (triple slash) in comments, Package File Formats
- 3D Touch, 3D Touch
- more information on, Peek and Pop
- simulating, Home Screen Quick Actions
- ; (semicolon), ending statements in Swift, Variables and Constants
- == (equality) operator, Operators
- comparing strings, Comparing Strings
- === (identity) operator, Comparing Strings
- ?? (nil coalescing) operator, Displaying Data in the Collection View
- [] (square brackets)
- creating arrays with, Arrays, Images with Filters
- subscripting classes and objects, Subscripts
- subscripting dictionary contents, Dictionaries
- _ (underscore) in Swift, Functions and Closures
- {} (curly braces), delimiting if statements and loops, Control Flow
- … (closed range) operator, Loops
- using in switches, Switches
- … indicating variadic parameters, Functions and Closures
A
- acceptDrop method ...
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