Add documentation about float precision

src/lib.rs

@@ -64,6 +64,32 @@
 //! //let mut file = std::fs::File::open("playlist.m3u8").unwrap();
 //! //playlist.write_to(&mut file).unwrap();
 //! ```
+//!
+//! Controlling the output precision for floats, such as #EXTINF (default is unset)
+//!
+//! ```
+//! use std::sync::atomic::Ordering;
+//! use m3u8_rs::{WRITE_OPT_FLOAT_PRECISION, MediaPlaylist, MediaSegment};
+//!
+//! WRITE_OPT_FLOAT_PRECISION.store(5, Ordering::Relaxed);
+//!
+//! let playlist = MediaPlaylist {
+//!     target_duration: 3.0,
+//!     segments: vec![
+//!         MediaSegment {
+//!             duration: 2.9,
+//!             title: Some("title".into()),
+//!             ..Default::default()
+//!         },
+//!     ],
+//!     ..Default::default()
+//! };
+//!
+//! let mut v: Vec<u8> = Vec::new();
+//!
+//! playlist.write_to(&mut v).unwrap();
+//! let m3u8_str: &str = std::str::from_utf8(&v).unwrap();
+//! assert!(m3u8_str.contains("#EXTINF:2.90000,title"));
 
 mod playlist;
 pub use playlist::*;

tests/lib.rs

@@ -201,7 +201,7 @@ fn create_and_parse_master_playlist_empty() {
 
 #[test]
 fn create_segment_float_inf() {
-    let playlist = MediaPlaylist {
+    let playlist = Playlist::MediaPlaylist(MediaPlaylist {
         version: Some(6),
         target_duration: 3.0,
         media_sequence: 338559,
@@ -215,7 +215,7 @@ fn create_segment_float_inf() {
             ..Default::default()
         }],
         ..Default::default()
-    };
+    });
 
     let mut v: Vec<u8> = Vec::new();
     playlist.write_to(&mut v).unwrap();