Swift - Some basic about swift / let var in swift [ swift programming language apple ios]

basic

no smicolon(“Semicolons are required, however, if you want to write multiple separate statements on a single line:”

Excerpt From: Apple Inc. “The Swift Programming Language.” iBooks. https://itun.es/in/jEUH0.l), no backet for if , for loop, while loop

let - constant

var for variable

defualt compulsory for switch, no break

All swift code is unicode.

Even u can name variable as unicode character (use option + any key)

type-safe programming language for Cocoa development.

Swift has been in development for 4 years, and was just announced this year at WWDC.

automatic type identification.  The compiler infers it from what value is being set to the variable.

let π = 3.14159

let 你好 = "你好世界"

let 🐶🐮 = "dogcow”