From 612c3d15be2b300978d596735edc8f033144410c Mon Sep 17 00:00:00 2001
From: Luro02 <24826124+Luro02@users.noreply.github.com>
Date: Tue, 17 Sep 2019 15:40:10 +0200
Subject: [PATCH] minor protocol_version fixes

---
 src/master_playlist.rs             | 2 +-
 src/media_playlist.rs              | 2 +-
 src/types/initialization_vector.rs | 1 +
 src/types/protocol_version.rs      | 9 +++++++++
 4 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/master_playlist.rs b/src/master_playlist.rs
index ec11a86..418cdb6 100644
--- a/src/master_playlist.rs
+++ b/src/master_playlist.rs
@@ -158,7 +158,7 @@ impl MasterPlaylistBuilder {
                     .flatten(),
             )
             .max()
-            .unwrap_or(ProtocolVersion::V7)
+            .unwrap_or(ProtocolVersion::latest())
     }
 
     fn validate_stream_inf_tags(&self) -> crate::Result<()> {
diff --git a/src/media_playlist.rs b/src/media_playlist.rs
index 9d9778e..3f673c0 100644
--- a/src/media_playlist.rs
+++ b/src/media_playlist.rs
@@ -200,7 +200,7 @@ impl MediaPlaylistBuilder {
                     .unwrap_or(ProtocolVersion::V1)
             }))
             .max()
-            .unwrap_or(ProtocolVersion::V1)
+            .unwrap_or(ProtocolVersion::latest())
     }
 
     /// Adds a media segment to the resulting playlist.
diff --git a/src/types/initialization_vector.rs b/src/types/initialization_vector.rs
index 8b008a7..7c64323 100644
--- a/src/types/initialization_vector.rs
+++ b/src/types/initialization_vector.rs
@@ -13,6 +13,7 @@ use crate::Error;
 pub struct InitializationVector(pub [u8; 16]);
 
 impl InitializationVector {
+    /// Converts the initialization vector to a slice.
     pub const fn to_slice(&self) -> [u8; 16] {
         self.0
     }
diff --git a/src/types/protocol_version.rs b/src/types/protocol_version.rs
index 40092ed..1d54938 100644
--- a/src/types/protocol_version.rs
+++ b/src/types/protocol_version.rs
@@ -17,6 +17,14 @@ pub enum ProtocolVersion {
     V6,
     V7,
 }
+
+impl ProtocolVersion {
+    /// Returns the newest ProtocolVersion, that is supported by this library.
+    pub const fn latest() -> Self {
+        Self::V7
+    }
+}
+
 impl fmt::Display for ProtocolVersion {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         let n = {
@@ -33,6 +41,7 @@ impl fmt::Display for ProtocolVersion {
         write!(f, "{}", n)
     }
 }
+
 impl FromStr for ProtocolVersion {
     type Err = Error;