From 46f68161f78a944c1751fb5a5780c689eaf82697 Mon Sep 17 00:00:00 2001
From: Javier Goday <jgoday@gmail.com>
Date: Tue, 30 Aug 2022 02:07:47 +0000
Subject: [PATCH] #5817: derive_bundle macro is not hygienic (#5835)

# Objective
- Fixes #5817.
- Removes std::vec::Vec ambiguities in derive_bundle macro

## Solution
Prepend :: to standard library full Vec qualified type name (::std::vec::Vec)
---
 crates/bevy_ecs/macros/src/lib.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/crates/bevy_ecs/macros/src/lib.rs b/crates/bevy_ecs/macros/src/lib.rs
index 98fbe27200..f518e0a0e7 100644
--- a/crates/bevy_ecs/macros/src/lib.rs
+++ b/crates/bevy_ecs/macros/src/lib.rs
@@ -149,8 +149,8 @@ pub fn derive_bundle(input: TokenStream) -> TokenStream {
             fn component_ids(
                 components: &mut #ecs_path::component::Components,
                 storages: &mut #ecs_path::storage::Storages,
-            ) -> Vec<#ecs_path::component::ComponentId> {
-                let mut component_ids = Vec::with_capacity(#field_len);
+            ) -> ::std::vec::Vec<#ecs_path::component::ComponentId> {
+                let mut component_ids = ::std::vec::Vec::with_capacity(#field_len);
                 #(#field_component_ids)*
                 component_ids
             }