Andrew Poelstra 5bd8edc112 libserialize: add error() to Decoder ... A quick and dirty fix for #15036 until we get serious decoder reform. Right now it is impossible for a Decodable to signal a decode error, for example if it has only finitely many allowed values, is a string which must be encoded a certain way, needs a valid checksum, etc. For example in the libuuid implementation of Decodable an Option is unwrapped, meaning that a decode of a malformed UUID will cause the task to fail. Since this adds a method to the `Decoder` trait, all users will need to update their implementations to add it. The strategy used for the current implementations for JSON and EBML is to add a new entry to the error enum `ApplicationError(String)` which stores the string provided to `.error()`. [breaking-change]		2014-07-31 21:41:19 -07:00
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io.rs
lib.rs	libserialize: add error() to Decoder	2014-07-31 21:41:19 -07:00