- You can store a price in a floating point variable.
- All currencies are subdivided in 1/100th units (like US dollar/cents, euro/eurocents etc.).
- All currencies are subdivided in decimal units (like dinar/fils)
- All currencies currently in circulation are subdivided in decimal units. (to exclude shillings, pennies) (counter-example: MGA)
- All currencies are subdivided. (counter-examples: KRW, COP, JPY... Or subdivisions can be deprecated.)
- Prices can't have more precision than the smaller sub-unit of the currency. (e.g. gas prices)
- For any currency you can have a price of 1. (ZWL)
- Every country has its own currency. (EUR is the best example, but also Franc CFA, etc.)
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######################### | |
# .gitignore file for Xcode4 and Xcode5 Source projects | |
# | |
# Apple bugs, waiting for Apple to fix/respond: | |
# | |
# 15564624 - what does the xccheckout file in Xcode5 do? Where's the documentation? | |
# | |
# Version 2.6 | |
# For latest version, see: http://stackoverflow.com/questions/49478/git-ignore-file-for-xcode-projects | |
# |
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protocol StringType { | |
var isEmpty: Bool { get } | |
} | |
extension String : StringType { } | |
extension Optional where Wrapped: StringType { | |
var isNullOrEmpty: Bool { | |
return self?.isEmpty ?? true | |
} |
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import AVFoundation | |
extension AudioBuffer { | |
func array() -> [Float] { | |
return Array(UnsafeBufferPointer(self)) | |
} | |
} | |
extension AVAudioPCMBuffer { | |
func array() -> [Float] { |