From cc52f79e421d8f4e18600605340cdeee7ecd6c02 Mon Sep 17 00:00:00 2001
From: Ethan P <eth-p+git@hidden.email>
Date: Fri, 15 May 2020 12:19:11 -0700
Subject: [PATCH] Add helper fn for checking if opened input is theme preview
 file

---
 src/assets.rs | 6 +-----
 src/input.rs  | 9 +++++++++
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/src/assets.rs b/src/assets.rs
index 0448df09..7a3cc81f 100644
--- a/src/assets.rs
+++ b/src/assets.rs
@@ -191,11 +191,7 @@ impl HighlightingAssets {
         input: &mut OpenedInput,
         mapping: &SyntaxMapping,
     ) -> &SyntaxReference {
-        let syntax = if match input.kind {
-            OpenedInputKind::ThemePreviewFile => true,
-            _ => false,
-        } {
-            // FIXME: replace the above match statement with matches macro when min Rust >= 1.42.0
+        let syntax = if input.kind.is_theme_preview_file() {
             self.syntax_set.find_syntax_by_name("Rust")
         } else if let Some(language) = language {
             self.syntax_set.find_syntax_by_token(language)
diff --git a/src/input.rs b/src/input.rs
index 929a6524..eeb9a494 100644
--- a/src/input.rs
+++ b/src/input.rs
@@ -39,6 +39,15 @@ pub(crate) enum OpenedInputKind {
     CustomReader,
 }
 
+impl OpenedInputKind {
+    pub(crate) fn is_theme_preview_file(&self) -> bool {
+        match self {
+            OpenedInputKind::ThemePreviewFile => true,
+            _ => false,
+        }
+    }
+}
+
 pub(crate) struct OpenedInput<'a> {
     pub(crate) kind: OpenedInputKind,
     pub(crate) metadata: InputMetadata,