From 96b2ef0dd6016d2b113182ffeac2aa5c02ad5c75 Mon Sep 17 00:00:00 2001
From: Carter Anderson <mcanders1@gmail.com>
Date: Sat, 7 Nov 2020 18:35:14 -0800
Subject: [PATCH] clippy

---
 crates/bevy_ecs/src/system/query/mod.rs       | 3 +++
 crates/bevy_ecs/src/system/query/query_set.rs | 3 +++
 crates/bevy_ecs/src/system/system_param.rs    | 3 +++
 3 files changed, 9 insertions(+)

diff --git a/crates/bevy_ecs/src/system/query/mod.rs b/crates/bevy_ecs/src/system/query/mod.rs
index 745b76292d56c5..e8ec4c4f485206 100644
--- a/crates/bevy_ecs/src/system/query/mod.rs
+++ b/crates/bevy_ecs/src/system/query/mod.rs
@@ -27,6 +27,9 @@ pub enum QueryError {
 }
 
 impl<'a, Q: HecsQuery> Query<'a, Q> {
+    /// # Safety
+    /// This will create a Query that could violate memory safety rules. Make sure that this is only called in
+    /// ways that ensure the Queries have unique mutable access.
     #[inline]
     pub unsafe fn new(
         world: &'a World,
diff --git a/crates/bevy_ecs/src/system/query/query_set.rs b/crates/bevy_ecs/src/system/query/query_set.rs
index 4cc244b9d5c00e..0380781dc7a61f 100644
--- a/crates/bevy_ecs/src/system/query/query_set.rs
+++ b/crates/bevy_ecs/src/system/query/query_set.rs
@@ -17,6 +17,9 @@ pub trait QueryTuple {
 }
 
 impl<T: QueryTuple> QuerySet<T> {
+    /// # Safety
+    /// This will create a set of Query types that could violate memory safety rules. Make sure that this is only called in
+    /// ways that ensure the Queries have unique mutable access.
     pub unsafe fn new(world: &World, component_access: &TypeAccess<ArchetypeComponent>) -> Self {
         QuerySet {
             value: T::new(world, component_access),
diff --git a/crates/bevy_ecs/src/system/system_param.rs b/crates/bevy_ecs/src/system/system_param.rs
index 500508eb8319f1..7d148c498b2c41 100644
--- a/crates/bevy_ecs/src/system/system_param.rs
+++ b/crates/bevy_ecs/src/system/system_param.rs
@@ -10,6 +10,9 @@ use std::{any::TypeId, sync::Arc};
 
 pub trait SystemParam: Sized {
     fn init(system_state: &mut SystemState, world: &World, resources: &mut Resources);
+    /// # Safety
+    /// This call might access any of the input parameters in a safe way. Make sure the data access is safe in
+    /// the context of the system scheduler 
     unsafe fn get_param(
         system_state: &mut SystemState,
         world: &World,