ndb: add subscript and count for TagsSequence

These are helpful
2023-07-22 16:58:17 -07:00
parent 1854e10486
commit c72666b352
2 changed files with 23 additions and 0 deletions
--- a/nostrdb/NdbTagIterator.swift
+++ b/nostrdb/NdbTagIterator.swift
@@ -40,6 +40,14 @@ struct TagIterator: IteratorProtocol {
        return el
    }

+    subscript(index: Int) -> NdbTagElem? {
+        if index >= tag.pointee.count {
+            return nil
+        }
+
+        return NdbTagElem(note: note, tag: tag, index: Int32(index))
+    }
+
    var index: Int32
    let note: NdbNote
    var tag: UnsafeMutablePointer<ndb_tag>