From 00e84033b4af019f3dcfe5f2073f32e5e9c14b7d Mon Sep 17 00:00:00 2001
From: Faerbit <faerbit@posteo.net>
Date: Sun, 11 Aug 2024 20:40:54 +0200
Subject: [PATCH] [bencode/de] Implemented any deserialization

---
 src/bencode/de.rs | 25 +++++++++++++++++++------
 1 file changed, 19 insertions(+), 6 deletions(-)

diff --git a/src/bencode/de.rs b/src/bencode/de.rs
index 3b276ca..df86b5a 100644
--- a/src/bencode/de.rs
+++ b/src/bencode/de.rs
@@ -81,12 +81,16 @@ impl<'de> Deserializer<'de> {
 impl <'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
     type Error = Error;
 
-    fn deserialize_any<V>(self, _: V) -> Result<V::Value>
+    fn deserialize_any<V>(self, visitor: V) -> Result<V::Value>
     where
         V: Visitor<'de>
     {
-        println!("i don't get this API!");
-        Err(Error::WontImplement)
+        match self.peek_byte()? as char {
+            'i' => self.deserialize_i64(visitor),
+            'l' => self.deserialize_seq(visitor),
+            'd' => self.deserialize_map(visitor),
+            _ => Err(Error::Syntax),
+        }
     }
 
     fn deserialize_bool<V>(self, _: V) -> Result<V::Value>
@@ -329,12 +333,11 @@ impl <'de, 'a> de::Deserializer<'de> for &'a mut Deserializer<'de> {
         self.deserialize_bytes(visitor)
     }
 
-    fn deserialize_ignored_any<V>(self, _: V) -> Result<V::Value>
+    fn deserialize_ignored_any<V>(self, visitor: V) -> Result<V::Value>
     where
         V: Visitor<'de>
     {
-        println!("i really don't get this API!");
-        Err(Error::WontImplement)
+        self.deserialize_any(visitor)
     }
 }
 
@@ -516,4 +519,14 @@ mod test {
         assert_eq!(de.l, vec![23, 17]);
         assert_eq!(de.o, Some(42));
     }
+
+    #[test]
+    fn test_struct_extra() {
+        #[derive(Deserialize, Debug)]
+        struct A {
+            a: i64,
+        }
+        let de: A = from_str("d1:ai42e1:bi18ee").unwrap();
+        assert_eq!(de.a, 42);
+    }
 }