f 1.29

Author: devrandom

src/hex.rs

@@ -16,7 +16,9 @@
 //!
 
 #[cfg(any(feature = "std", feature = "alloc"))]
-use alloc::{format, string::String, vec::Vec};
+use alloc::{string::String, vec::Vec};
+#[cfg(feature = "alloc")]
+use alloc::format;
 
 use core::{fmt, str};
 use Hash;

src/lib.rs

@@ -39,7 +39,8 @@
 
 #[cfg(any(test, feature="std"))] extern crate core;
 #[cfg(feature="core2")] extern crate core2;
-#[cfg(any(feature = "std", feature = "alloc"))] extern crate alloc;
+#[cfg(any(feature = "alloc"))] extern crate alloc;
+#[cfg(any(feature = "std"))] use std as alloc;
 #[cfg(feature="serde")] pub extern crate serde;
 #[cfg(all(test,feature="serde"))] extern crate serde_test;