From dedbb9b96a1bacec5a181fae32ce601f640eff99 Mon Sep 17 00:00:00 2001
From: NikVolf <nikvolf@gmail.com>
Date: Sat, 22 Feb 2020 15:10:21 +0300
Subject: [PATCH] fix alloc feature

---
 src/batch.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/batch.rs b/src/batch.rs
index a778934..7f5838f 100644
--- a/src/batch.rs
+++ b/src/batch.rs
@@ -9,9 +9,11 @@
 
 //! Batch signature verification.
 
+#[cfg(feature = "alloc")]
+extern crate alloc;
 #[cfg(feature = "alloc")]
 use alloc::vec::Vec;
-#[cfg(feature = "std")]
+#[cfg(all(not(feature = "alloc"), feature = "std"))]
 use std::vec::Vec;
 
 use core::iter::once;