From: Brian Candler <b.candler@...>
Date: 2009-07-21T22:43:06+09:00
Subject: Re: Byte–stream parsing in Ruby

Elliott Cable wrote:
> The goal is to devise some method by which I can:
> 
> 1) Determine whether or not an `Array` of so–far–received bytes is, yet,
> a valid `String` of a given `Encoding`

>> "über".bytes.to_a
=> [195, 188, 98, 101, 114]
>> a = "\xc3".force_encoding("UTF-8")
=> "\xC3"
>> a.valid_encoding?
=> false
>> a << "\xbc"
=> "ü"
>> a.valid_encoding?
=> true
>> 
-- 
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