f - add clarifying comments to local constants

Author: jkczyz

lightning/src/offers/invoice.rs

@@ -492,6 +492,7 @@ where
 
 impl UnsignedBolt12Invoice {
 	fn new(invreq_bytes: &[u8], contents: InvoiceContents) -> Self {
+		// TLV record ranges applicable to invreq_bytes.
 		const NON_EXPERIMENTAL_TYPES: core::ops::Range<u64> = 0..INVOICE_REQUEST_TYPES.end;
 		const EXPERIMENTAL_TYPES: core::ops::Range<u64> =
 			EXPERIMENTAL_OFFER_TYPES.start..EXPERIMENTAL_INVOICE_REQUEST_TYPES.end;

lightning/src/offers/static_invoice.rs

@@ -277,6 +277,7 @@ macro_rules! invoice_accessors_signing_pubkey {
 
 impl UnsignedStaticInvoice {
 	fn new(offer_bytes: &Vec<u8>, contents: InvoiceContents) -> Self {
+		// TLV record ranges applicable to offer_bytes.
 		const NON_EXPERIMENTAL_TYPES: core::ops::Range<u64> = OFFER_TYPES;
 		const EXPERIMENTAL_TYPES: core::ops::Range<u64> = EXPERIMENTAL_OFFER_TYPES;