cleanup interface and build

Signed-off-by: Dave Huseby <dwh@linuxprogrammer.org>

Cargo.toml

@@ -1,13 +1,17 @@
 [package]
 name = "multitrait"
-version = "0.1.7"
+version = "0.1.8"
 edition = "2021"
 authors = ["Dave Huseby <dwh@linuxprogrammer.org>"]
-description = "Multiformat traits"
+description = "Common traits for multiformats types"
 repository = "https://github.com/cryptidtech/multitrait.git"
 readme = "README.md"
 license = "Apache-2.0"
 
+[features]
+default = ["std"]
+std = ["unsigned-varint/std"]
+
 [dependencies]
-thiserror = "1.0"
-unsigned-varint = { version = "0.8", features = ["std"] }
+thiserror = { version = "1.0", default-features = false }
+unsigned-varint = { version = "0.8", default-features = false }

README.md

@@ -1,2 +1,2 @@
-# multiutil
-Helpful traits and functions common to multi* types.
+# Multitrait
+Helpful traits and functions common to multicodec types.

src/error.rs

@@ -1,7 +1,7 @@
 use thiserror::Error;
 
 /// Errors generated by the numeric type impls
-#[derive(Clone, Debug, Error, PartialEq)]
+#[derive(Clone, Debug, Eq, Error, PartialEq)]
 #[non_exhaustive]
 pub enum Error {
     /// an unsigned-varint error

src/lib.rs

@@ -1,11 +1,21 @@
+//! # Multiutil
 //!
+//! A set of traits that are helpful for implementing
+//! [multiformats](https://github.com/multiformats/multiformats) types in Rust.
 #![warn(missing_docs)]
 #![deny(
     trivial_casts,
     trivial_numeric_casts,
     unused_import_braces,
     unused_qualifications
 )]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[cfg(not(feature = "std"))]
+extern crate alloc;
+
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
 
 /// Errors generated from the implementations
 pub mod error;