`rustfmt`: Prepare `lightning-invoice/src/lib.rs`

diff --git a/lightning-invoice/src/lib.rs b/lightning-invoice/src/lib.rs
index 6f7ec22533799b1489d85d8da1ddb1175899346f..744548f2c6dc41e00b34c81b52e20499122413a5 100644 (file)
--- a/lightning-invoice/src/lib.rs
+++ b/lightning-invoice/src/lib.rs
@@ -629,7 +629,8 @@ impl<D: tb::Bool, H: tb::Bool, T: tb::Bool, C: tb::Bool, S: tb::Bool, M: tb::Boo
 
        /// Sets the amount in millisatoshis. The optimal SI prefix is chosen automatically.
        pub fn amount_milli_satoshis(mut self, amount_msat: u64) -> Self {
-               let amount = match amount_msat.checked_mul(10) { // Invoices are denominated in "pico BTC"
+               // Invoices are denominated in "pico BTC"
+               let amount = match amount_msat.checked_mul(10) {
                        Some(amt) => amt,
                        None => {
                                self.error = Some(CreationError::InvalidAmount);
@@ -1504,7 +1505,7 @@ impl Bolt11Invoice {
 
        /// Returns a list of all fallback addresses as [`Address`]es
        pub fn fallback_addresses(&self) -> Vec<Address> {
-               self.fallbacks().iter().filter_map(|fallback| {
+               let filter_fn = |fallback: &&Fallback| {
                        let address = match fallback {
                                Fallback::SegWitProgram { version, program } => {
                                        match WitnessProgram::new(*version, &program) {
@@ -1521,7 +1522,8 @@ impl Bolt11Invoice {
                        };
 
                        Some(address)
-               }).collect()
+               };
+               self.fallbacks().iter().filter_map(filter_fn).collect()
        }
 
        /// Returns a list of all routes included in the invoice