gistfile1.py

buffer = require('encoding').Converter('US-ASCII', 'US-ASCII')
buffer.put(magicallyMakeByteString('Hello,'))
buffer.put(magicallyMakeByteString(' '))
buffer.put(magicallyMakeByteString('World!'))
value = buffer.get()
assert(value == magicallyMakeByteString('Hello, World!'))
buffer = require('encoding').Converter('US-ASCII', 'US-ASCII')
buffer.put(value)
assert(buffer.get(7) == magicallyMakeByteString("Hello, "))
assert(buffer.get() == magicallyMakeByteString("World!"))