f - don't hardcode Iterable

Author: jkczyz

lightning/src/offers/invoice.rs

@@ -440,8 +440,8 @@ impl TryFrom<Vec<u8>> for Invoice {
 }
 
 tlv_stream!(InvoiceTlvStream, InvoiceTlvStreamRef, 160..240, {
-	(160, paths: (Vec<BlindedPath>, Iterable<'a, BlindedPathIter<'a>, BlindedPath>)),
-	(162, blindedpay: (Vec<BlindedPayInfo>, Iterable<'a, BlindedPayInfoIter<'a>, BlindedPayInfo>)),
+	(160, paths: (Vec<BlindedPath>, WithoutLength, Iterable<'a, BlindedPathIter<'a>, BlindedPath>)),
+	(162, blindedpay: (Vec<BlindedPayInfo>, WithoutLength, Iterable<'a, BlindedPayInfoIter<'a>, BlindedPayInfo>)),
 	(164, created_at: (u64, HighZeroBytesDroppedBigSize)),
 	(166, relative_expiry: (u32, HighZeroBytesDroppedBigSize)),
 	(168, payment_hash: PaymentHash),

lightning/src/util/ser_macros.rs

@@ -184,11 +184,8 @@ macro_rules! decode_tlv {
 	($reader: expr, $field: ident, (option: $trait: ident $(, $read_arg: expr)?)) => {{
 		$field = Some($trait::read(&mut $reader $(, $read_arg)*)?);
 	}};
-	($reader: expr, $field: ident, (option, encoding: ($fieldty: ty, Iterable<$lifetime:lifetime, $itertype:ty, $valuetype:ty>))) => {{
-		$field = {
-			let field: $crate::util::ser::WithoutLength<$fieldty> = ser::Readable::read(&mut $reader)?;
-			Some(field.0)
-		};
+	($reader: expr, $field: ident, (option, encoding: ($fieldty: ty, $encoding: ident, $encoder:ty))) => {{
+		decode_tlv!($reader, $field, (option, encoding: ($fieldty, $encoding)));
 	}};
 	($reader: expr, $field: ident, (option, encoding: ($fieldty: ty, $encoding: ident))) => {{
 		$field = {
@@ -555,8 +552,8 @@ macro_rules! tlv_stream {
 }
 
 macro_rules! tlv_record_type {
-	(($type:ty, Iterable<$lifetime:lifetime, $itertype:ty, $valuetype:ty>)) => { $type };
 	(($type:ty, $wrapper:ident)) => { $type };
+	(($type:ty, $wrapper:ident, $encoder:ty)) => { $type };
 	($type:ty) => { $type };
 }
 
@@ -566,10 +563,8 @@ macro_rules! tlv_record_ref_type {
 	((u16, $wrapper: ident)) => { u16 };
 	((u32, $wrapper: ident)) => { u32 };
 	((u64, $wrapper: ident)) => { u64 };
-	(($type:ty, Iterable<$lifetime:lifetime, $itertype:ty, $valuetype:ty>)) => {
-		Iterable<$lifetime, $itertype, $valuetype>
-	};
 	(($type:ty, $wrapper:ident)) => { &'a $type };
+	(($type:ty, $wrapper:ident, $encoder:ty)) => { $encoder };
 	($type:ty) => { &'a $type };
 }