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CHANGELOG.md

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Changelog

All notable changes to this crate are documented in this file.

The format is based on Keep a Changelog, and this crate adheres to Semantic Versioning.

[3.0.0] - 2022-02-02

Fix

  • Optimised the Decode::decode for [T; N] #299

Changed

  • Migrated to 2021 edition, enforcing MSRV of 1.56.1. #298
  • Upgrade to BitVec 1.0 #311
  • DecodeLimit and DecodeAll extensions now advance input #314

Added

  • Add bytes::Bytes implementation #309

[2.3.1] - 2021-09-28

Fix

  • Improve macro hygiene of Encode and Decode proc. macro expansions. (#291, #293)

[2.3.0] - 2021-09-11

Added

  • decode_and_advance_with_depth_limit to the DecodeLimit trait. This allows advancing the cursor while decoding the input. PR #286

[2.2.0] - 2021-07-02

Added

  • Add support for custom where bounds codec(mel_bound(T: MaxEncodedLen)) when deriving the traits. PR #279
  • MaxEncodedLen trait for items that have a statically known maximum encoded size. (#268)
  • #[codec(crate = <path>)] top-level attribute to be used with the new MaxEncodedLen trait, which allows to specify a different path to the crate that contains the MaxEncodedLen trait. Useful when using generating a type through a macro and this type should implement MaxEncodedLen and the final crate doesn't have parity-scale-codec as dependency.

[2.1.3] - 2021-06-14

Changed

  • Lint attributes now pass through to the derived impls of Encode, Decode and CompactAs. PR #272

[2.1.0] - 2021-04-06

Fix

  • Add support for custom where bounds codec(encode_bound(T: Encode)) and codec(decode_bound(T: Decode)) when deriving the traits. Pr #262
  • Switch to const generics for array implementations. Pr #261

[2.0.1] - 2021-02-26

Fix

  • Fix type inference issue in Decode derive macro. Pr #254

[2.0.0] - 2021-01-26

Added

  • Decode::skip allows to skip some encoded types. Pr #243
  • Decode::encoded_fixed_size allows to get the fixed encoded size of a type. PR #243
  • Error now contains a chain of causes. This full error description can also be activated on no std using the feature chain-error. PR #242
  • Encode::encoded_size allows to get the encoded size of a type more efficiently. PR #245

Changed

  • CompactAs::decode_from now returns result. This allow for decoding to fail from their compact form.
  • derive macro use literal index e.g. #[codec(index = 15)] instead of #[codec(index = "15")]
  • Version of crates bitvec and generic-array is updated.
  • Encode::encode_to now bounds the generic W: Output + ?Sized instead of W: Output.
  • Output can now be used as a trait object.

Removed

  • EncodeAppend::append is removed in favor of EncodeAppend::append_or_new.
  • Output::push is removed in favor of Encode::encode_to.
  • Some bounds on HasCompact::Type are removed.
  • Error::what is removed in favor of Error::to_string (implemented through trait Display).
  • Error::description is removed in favor of Error::to_string (implemented through trait Display).