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jtbandes/bytes.swift

Created June 19, 2014 05:36
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bytes.swift
func bytes<T: UnsignedInteger>(val: T) -> GeneratorOf<UInt8> {
var current = val as UInt64
var step = 0
return GeneratorOf<UInt8> {
if step >= sizeof(T) { return nil }
current >>= 8; step++
return UInt8(current & UInt64(UInt8.max))
}
}
Array(bytes(0xABCDEF as UInt64))
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