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Rename CachedTreeHash trait, add readme

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Paul Hauner
2019-04-24 18:23:58 +10:00
parent 7563755b15
commit cab5e59a6f
10 changed files with 105 additions and 37 deletions
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6
eth2/utils/tree_hash_derive/src/lib.rs
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@@ -37,10 +37,10 @@ fn should_skip_hashing(field: &syn::Field) -> bool {
.any(|attr| attr.into_token_stream().to_string() == "# [ tree_hash ( skip_hashing ) ]")
}
/// Implements `tree_hash::CachedTreeHashSubTree` for some `struct`.
/// Implements `tree_hash::CachedTreeHash` for some `struct`.
///
/// Fields are hashed in the order they are defined.
#[proc_macro_derive(CachedTreeHashSubTree, attributes(tree_hash))]
#[proc_macro_derive(CachedTreeHash, attributes(tree_hash))]
pub fn subtree_derive(input: TokenStream) -> TokenStream {
let item = parse_macro_input!(input as DeriveInput);
@@ -58,7 +58,7 @@ pub fn subtree_derive(input: TokenStream) -> TokenStream {
let num_items = idents_a.len();
let output = quote! {
impl tree_hash::CachedTreeHashSubTree<#name> for #name {
impl tree_hash::CachedTreeHash<#name> for #name {
fn new_tree_hash_cache(&self, depth: usize) -> Result<tree_hash::TreeHashCache, tree_hash::Error> {
let tree = tree_hash::TreeHashCache::from_leaves_and_subtrees(
self,