Swift for Beginners: Develop and Design, Second Edition

Index

Numbers

2 × 2 matrix, 264–266

600 × 600 view space, 224

Symbols

./ prefix, using with shell scripts, 275

..< syntax, using, 59

-> characters, using with functions, 85

+ (addition) operation, performing, 21

&& (AND) logical operator, 261

: (colon), using with variables and constants, 18

, (commas), using with arrays, 35

// (comments), converting lines into, 209

/ (division) operation, performing, 21–22

. (dot) notation, using with methods, 117

== (double equal) sign, 67–69

= (equal to) comparison, 24

! (exclamation mark)

ending strings with, 10

using with optionals, 195

in Xcode, 186

> (greater than) comparison, 24, 69

>= (greater than or equal) comparison, 24, 69

< (less than) comparison, 24, 69

<= (less than or equal) comparison, 24, ...