Add Description::empty constructor

When creating a default Bolt11InvoiceParameters, having an infallible
constructor avoids an unwrap.

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index 9f049deb78fb819e471bef4ee6c214ef8cdcfaf7..6f7ec22533799b1489d85d8da1ddb1175899346f 100644 (file)
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -1600,6 +1600,11 @@ impl Description {
                }
        }
 
+       /// Creates an empty `Description`.
+       pub fn empty() -> Self {
+               Description(UntrustedString(String::new()))
+       }
+
        /// Returns the underlying description [`UntrustedString`]
        pub fn into_inner(self) -> UntrustedString {
                self.0