From 39a3d5b8a9fc573eedec6edf538c2911f120e778 Mon Sep 17 00:00:00 2001
From: behzad nouri <behzadnouri@gmail.com>
Date: Mon, 16 Aug 2021 18:21:33 +0000
Subject: [PATCH] implements AsRef (instead of Borrow) for VoteAccounts
 (#19252)

According to the docs:
> if you want to borrow only a single field of a struct you can
> implement AsRef, but not Borrow.
https://doc.rust-lang.org/std/convert/trait.AsRef.html
---
 runtime/src/stakes.rs       | 4 ++--
 runtime/src/vote_account.rs | 5 ++---
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/runtime/src/stakes.rs b/runtime/src/stakes.rs
index a28f3a5b68..50e004cb59 100644
--- a/runtime/src/stakes.rs
+++ b/runtime/src/stakes.rs
@@ -14,7 +14,7 @@ use {
     },
     solana_stake_program::stake_state,
     solana_vote_program::vote_state::VoteState,
-    std::{borrow::Borrow, collections::HashMap, sync::Arc},
+    std::{collections::HashMap, sync::Arc},
 };
 
 #[derive(Default, Clone, PartialEq, Debug, Deserialize, Serialize, AbiExample)]
@@ -212,7 +212,7 @@ impl Stakes {
     }
 
     pub fn vote_accounts(&self) -> &HashMap<Pubkey, (u64, VoteAccount)> {
-        self.vote_accounts.borrow()
+        self.vote_accounts.as_ref()
     }
 
     pub fn stake_delegations(&self) -> &HashMap<Pubkey, Delegation> {
diff --git a/runtime/src/vote_account.rs b/runtime/src/vote_account.rs
index dc385f9748..91539bc9d4 100644
--- a/runtime/src/vote_account.rs
+++ b/runtime/src/vote_account.rs
@@ -7,7 +7,6 @@ use {
     },
     solana_vote_program::vote_state::VoteState,
     std::{
-        borrow::Borrow,
         cmp::Ordering,
         collections::{hash_map::Entry, HashMap},
         iter::FromIterator,
@@ -268,8 +267,8 @@ impl From<VoteAccountsHashMap> for VoteAccounts {
     }
 }
 
-impl Borrow<VoteAccountsHashMap> for VoteAccounts {
-    fn borrow(&self) -> &VoteAccountsHashMap {
+impl AsRef<VoteAccountsHashMap> for VoteAccounts {
+    fn as_ref(&self) -> &VoteAccountsHashMap {
         &self.vote_accounts
     }
 }