Swift - Basic data types in swift [ swift programming language apple ios]

Integer

UInt8, Int32,Int64,UInt32,UInt64 etc

Float

Double,Float

“Double has a precision of at least 15 decimal digits, whereas the precision of Float can be as little as 6 decimal digits.”

BOOL

Bool

Boolean constant values, true and false:”

Swift’s type safety prevents non-Boolean values from being be substituted for Bool. The following example reports a compile-time error:

let i = 1

if i {

    // this example will not compile, and will report an error

}”

Characters

“Each Character value represents a single Unicode character.”