add sp_std usage

paritytech · Jan 10, 2022 · 9205bdf · 9205bdf
1 parent e923956
commit 9205bdf
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/frame/support/src/storage/types/counted_double_map.rs b/frame/support/src/storage/types/counted_double_map.rs
@@ -14,6 +14,7 @@ use crate::{
 };
 use codec::{Decode, Encode, EncodeLike, FullCodec, MaxEncodedLen, Ref};
 use sp_runtime::traits::Saturating;
+use sp_std::prelude::*;
 
 pub struct CountedStorageDoubleMap<
 	Prefix,