Skip to content

Instantly share code, notes, and snippets.

@kaunteya
Last active September 2, 2015 09:32
Show Gist options
  • Save kaunteya/97bc86eb20c5387b1794 to your computer and use it in GitHub Desktop.
Save kaunteya/97bc86eb20c5387b1794 to your computer and use it in GitHub Desktop.
extension Bool {
init<T : IntegerType>(_ integer: T){
self.init(integer != 0)
}
/// True => 1 False => 0
var toInt: Int {
return self ? 1 : 0
}
init(val: String) {
self.init(val.lowercaseString == "true")
}
}
extension Int {
var even: Bool {
return self % 2 == 0
}
var odd: Bool {
return self % 2 == 1
}
var toBool: Bool {
return self != 0
}
}
extension Array {
func contains <T: Equatable> (element: T) -> Bool {
return map{ $0 as! T}.filter{ $0 == element }.first != nil
}
func indexOf <T: Equatable> (element: T) -> Int? {
for (index, eachElement) in enumerate(map{ $0 as! T}) {
if element == eachElement {
return index
}
}
return .None
}
mutating func remove <T: Equatable> (element: T) -> T? {
if let index = self.indexOf(element) {
return self.removeAtIndex(index) as? T
}
return .None
}
}
extension String {
var length: Int {
return count(self)
}
func split(separator: String) -> [String] {
return self.componentsSeparatedByString(separator)
}
func beginsWith (str: String) -> Bool {
if let range = self.rangeOfString(str) {
return range.startIndex == self.startIndex
}
return false
}
func endsWith (str: String) -> Bool {
if let range = self.rangeOfString(str) {
return range.endIndex == self.endIndex
}
return false
}
func replace(target: String, withString: String) -> String
{
return self.stringByReplacingOccurrencesOfString(target, withString: withString, options: NSStringCompareOptions.LiteralSearch, range: nil)
}
func rW(width: Int) -> String {
let whiteSpaceCount = max(0, width - count(self))
var finalString = ""
for var i = 0 ; i < whiteSpaceCount; i++ {
finalString += " "
}
finalString += self
finalString = finalString.substringWithRange(Range<String.Index>(start: finalString.startIndex, end: advance(finalString.startIndex, width)))
return finalString
}
func lW(width: Int) -> String {
let whiteSpaceCount = max(0, width - count(self))
var finalString = ""
for var i = 0 ; i < whiteSpaceCount; i++ {
finalString += " "
}
finalString = self + finalString
finalString = finalString.substringWithRange(Range<String.Index>(start: finalString.startIndex, end: advance(finalString.startIndex, width)))
return finalString
}
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment