From 642d32f688d735decccf2b844d113c436982f5e0 Mon Sep 17 00:00:00 2001
From: Glenn Smith <glenn@vector35.com>
Date: Wed, 29 Jun 2022 17:28:31 -0400
Subject: [Rust API] Make more types convertible to BN types

---
 rust/src/string.rs | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

(limited to 'rust/src/string.rs')

diff --git a/rust/src/string.rs b/rust/src/string.rs
index c1ca88d8..c4419b5e 100644
--- a/rust/src/string.rs
+++ b/rust/src/string.rs
@@ -14,7 +14,7 @@
 
 //! String wrappers for core-owned strings and strings being passed to the core
 
-use std::borrow::Borrow;
+use std::borrow::{Borrow, Cow};
 use std::ffi::{CStr, CString};
 use std::fmt;
 use std::mem;
@@ -231,3 +231,11 @@ unsafe impl BnStrCompatible for String {
         ret.into_bytes_with_nul()
     }
 }
+
+unsafe impl<'a> BnStrCompatible for &'a Cow<'a, str> {
+    type Result = &'a [u8];
+
+    fn as_bytes_with_nul(self) -> Self::Result {
+        self.as_ref().as_bytes()
+    }
+}
-- 
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