From 8c513bd01e280cc7d5f1af6d26afb43e536f93c4 Mon Sep 17 00:00:00 2001
From: hcpl <hcpl.prog@gmail.com>
Date: Sat, 24 Nov 2018 19:09:46 +0200
Subject: [PATCH 1/2] Add new keywords

* `async` from https://github.com/rust-lang/rfcs/pull/2394;
* `existential` from https://github.com/rust-lang/rfcs/pull/2071.
---
 syntax/rust.vim | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/syntax/rust.vim b/syntax/rust.vim
index 7780610c..df937a03 100644
--- a/syntax/rust.vim
+++ b/syntax/rust.vim
@@ -24,10 +24,12 @@ syn keyword   rustOperator    as
 
 syn match     rustAssert      "\<assert\(\w\)*!" contained
 syn match     rustPanic       "\<panic\(\w\)*!" contained
+syn keyword   rustKeyword     async
 syn keyword   rustKeyword     break
 syn keyword   rustKeyword     box nextgroup=rustBoxPlacement skipwhite skipempty
 syn keyword   rustKeyword     continue
 syn keyword   rustKeyword     crate
+syn keyword   rustKeyword     existential
 syn keyword   rustKeyword     extern nextgroup=rustExternCrate,rustObsoleteExternMod skipwhite skipempty
 syn keyword   rustKeyword     fn nextgroup=rustFuncName skipwhite skipempty
 syn keyword   rustKeyword     in impl let

From bb9a237a581ec808a1dd3f94f4c21c743e3dc27c Mon Sep 17 00:00:00 2001
From: hcpl <hcpl.prog@gmail.com>
Date: Thu, 29 Nov 2018 14:16:11 +0200
Subject: [PATCH 2/2] Make `existential` a contextual keyword

Thanks @dlrobertson who let me use his PR
https://github.com/rust-lang/rust.vim/pull/284!
---
 syntax/rust.vim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/syntax/rust.vim b/syntax/rust.vim
index df937a03..49928b81 100644
--- a/syntax/rust.vim
+++ b/syntax/rust.vim
@@ -21,6 +21,8 @@ syn keyword   rustStructure struct enum nextgroup=rustIdentifier skipwhite skipe
 syn keyword   rustUnion union nextgroup=rustIdentifier skipwhite skipempty contained
 syn match rustUnionContextual /\<union\_s\+\%([^[:cntrl:][:space:][:punct:][:digit:]]\|_\)\%([^[:cntrl:][:punct:][:space:]]\|_\)*/ transparent contains=rustUnion
 syn keyword   rustOperator    as
+syn keyword   rustExistential existential nextgroup=rustTypedef skipwhite skipempty contained
+syn match rustExistentialContextual /\<existential\_s\+type/ transparent contains=rustExistential,rustTypedef
 
 syn match     rustAssert      "\<assert\(\w\)*!" contained
 syn match     rustPanic       "\<panic\(\w\)*!" contained
@@ -29,7 +31,6 @@ syn keyword   rustKeyword     break
 syn keyword   rustKeyword     box nextgroup=rustBoxPlacement skipwhite skipempty
 syn keyword   rustKeyword     continue
 syn keyword   rustKeyword     crate
-syn keyword   rustKeyword     existential
 syn keyword   rustKeyword     extern nextgroup=rustExternCrate,rustObsoleteExternMod skipwhite skipempty
 syn keyword   rustKeyword     fn nextgroup=rustFuncName skipwhite skipempty
 syn keyword   rustKeyword     in impl let
@@ -293,6 +294,7 @@ hi def link rustDynKeyword    rustKeyword
 hi def link rustTypedef       Keyword " More precise is Typedef, but it doesn't feel right for Rust
 hi def link rustStructure     Keyword " More precise is Structure
 hi def link rustUnion         rustStructure
+hi def link rustExistential   rustKeyword
 hi def link rustPubScopeDelim Delimiter
 hi def link rustPubScopeCrate rustKeyword
 hi def link rustSuper         rustKeyword