diff --git a/asyncgit/src/diff.rs b/asyncgit/src/diff.rs
index eae7bee4..6a7c4738 100644
--- a/asyncgit/src/diff.rs
+++ b/asyncgit/src/diff.rs
@@ -11,6 +11,7 @@ struct DiffRequest(String, bool);
 
 struct Request<R, A>(R, Option<A>);
 
+///
 pub struct AsyncDiff {
     current: Arc<Mutex<Request<u64, Diff>>>,
     sender: Sender<AsyncNotification>,
diff --git a/asyncgit/src/lib.rs b/asyncgit/src/lib.rs
index 814f542c..44e18d30 100644
--- a/asyncgit/src/lib.rs
+++ b/asyncgit/src/lib.rs
@@ -1,3 +1,7 @@
+//! asyncgit
+
+#![forbid(unsafe_code)]
+#![warn(missing_docs)]
 mod diff;
 mod status;
 pub mod sync;
@@ -16,18 +20,23 @@ use std::{
     time::{SystemTime, UNIX_EPOCH},
 };
 
+/// this type is used to communicate events back through the channel
 #[derive(Copy, Clone, Debug)]
 pub enum AsyncNotification {
+    ///
     Status,
+    ///
     Diff,
 }
 
+/// helper function to calculate the hash of an arbitrary type that implements the `Hash` trait
 pub fn hash<T: Hash>(v: &T) -> u64 {
     let mut hasher = DefaultHasher::new();
     v.hash(&mut hasher);
     hasher.finish()
 }
 
+/// helper function to return the current tick since unix epoch
 pub fn current_tick() -> u64 {
     SystemTime::now()
         .duration_since(UNIX_EPOCH)
diff --git a/asyncgit/src/sync/diff.rs b/asyncgit/src/sync/diff.rs
index 706798fa..5375673b 100644
--- a/asyncgit/src/sync/diff.rs
+++ b/asyncgit/src/sync/diff.rs
@@ -1,14 +1,20 @@
+//! sync git api for fetching a diff
+
 use super::utils;
 use git2::{Delta, DiffDelta, DiffFormat, DiffOptions, Patch};
 use scopetime::scope_time;
 use std::fs;
 
 ///
-#[derive(Copy, Clone, PartialEq)]
+#[derive(Copy, Clone, PartialEq, Hash)]
 pub enum DiffLineType {
+    ///
     None,
+    ///
     Header,
+    ///
     Add,
+    ///
     Delete,
 }
 
@@ -19,14 +25,16 @@ impl Default for DiffLineType {
 }
 
 ///
-#[derive(Default, PartialEq, Clone)]
+#[derive(Default, Clone, Hash)]
 pub struct DiffLine {
+    ///
     pub content: String,
+    ///
     pub line_type: DiffLineType,
 }
 
 ///
-#[derive(Default, PartialEq, Clone)]
+#[derive(Default, Clone, Hash)]
 pub struct Diff(pub Vec<DiffLine>);
 
 ///
diff --git a/asyncgit/src/sync/mod.rs b/asyncgit/src/sync/mod.rs
index 18c19ab0..f3b9179d 100644
--- a/asyncgit/src/sync/mod.rs
+++ b/asyncgit/src/sync/mod.rs
@@ -1,3 +1,5 @@
+//! sync git api
+
 pub mod diff;
 pub mod status;
 pub mod utils;
diff --git a/asyncgit/src/sync/status.rs b/asyncgit/src/sync/status.rs
index e4b15d61..41b5caa7 100644
--- a/asyncgit/src/sync/status.rs
+++ b/asyncgit/src/sync/status.rs
@@ -1,13 +1,21 @@
+//! sync git api for fetching a status
+
 use crate::sync::utils;
 use git2::{Status, StatusOptions, StatusShow};
 use scopetime::scope_time;
 
+///
 #[derive(Copy, Clone, Hash)]
 pub enum StatusItemType {
+    ///
     New,
+    ///
     Modified,
+    ///
     Deleted,
+    ///
     Renamed,
+    ///
     Typechange,
 }
 
@@ -30,14 +38,18 @@ impl From<Status> for StatusItemType {
 ///
 #[derive(Default, Clone, Hash)]
 pub struct StatusItem {
+    ///
     pub path: String,
+    ///
     pub status: Option<StatusItemType>,
 }
 
 ///
 #[derive(Copy, Clone)]
 pub enum StatusType {
+    ///
     WorkingDir,
+    ///
     Stage,
 }
 
diff --git a/asyncgit/src/sync/utils.rs b/asyncgit/src/sync/utils.rs
index 3d8117be..1c078234 100644
--- a/asyncgit/src/sync/utils.rs
+++ b/asyncgit/src/sync/utils.rs
@@ -1,3 +1,5 @@
+//! sync git api (various methods)
+
 use git2::{
     build::CheckoutBuilder, IndexAddOption, ObjectType, Repository,
     RepositoryOpenFlags,