Use `crate::prelude::*` rather than specific imports

[rust-lightning] / lightning-invoice / src / utils.rs

diff --git a/lightning-invoice/src/utils.rs b/lightning-invoice/src/utils.rs
index d45a4e8e6462b4256333ea9f6973367b1d586c10..1d6b9210afd967f58c79e7453f53a3eda856a9ee 100644 (file)
--- a/lightning-invoice/src/utils.rs
+++ b/lightning-invoice/src/utils.rs
@@ -19,6 +19,7 @@ use secp256k1::PublicKey;
 use alloc::collections::{btree_map, BTreeMap};
 use core::ops::Deref;
 use core::time::Duration;
+#[cfg(not(feature = "std"))]
 use core::iter::Iterator;
 
 /// Utility to create an invoice that can be paid to one of multiple nodes, or a "phantom invoice."