From a63446f2549afbeafe632c425112b7c38b5c9991 Mon Sep 17 00:00:00 2001
From: Veetaha <gerzoh1@gmail.com>
Date: Sat, 7 Mar 2020 14:07:44 +0200
Subject: vscode: prerefactor util.ts and ctx.ts

---
 editors/code/src/util.ts | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

(limited to 'editors/code/src/util.ts')

diff --git a/editors/code/src/util.ts b/editors/code/src/util.ts
index 7c95769bb..95a5f1227 100644
--- a/editors/code/src/util.ts
+++ b/editors/code/src/util.ts
@@ -1,7 +1,6 @@
 import * as lc from "vscode-languageclient";
 import * as vscode from "vscode";
 import { strict as nativeAssert } from "assert";
-import { TextDocument } from "vscode";
 
 export function assert(condition: boolean, explanation: string): asserts condition {
     try {
@@ -67,9 +66,16 @@ function sleep(ms: number) {
     return new Promise(resolve => setTimeout(resolve, ms));
 }
 
-export function isRustDocument(document: TextDocument) {
+export type RustDocument = vscode.TextDocument & { languageId: "rust" };
+export type RustEditor = vscode.TextEditor & { document: RustDocument; id: string };
+
+export function isRustDocument(document: vscode.TextDocument): document is RustDocument {
     return document.languageId === 'rust'
         // SCM diff views have the same URI as the on-disk document but not the same content
         && document.uri.scheme !== 'git'
         && document.uri.scheme !== 'svn';
-}
\ No newline at end of file
+}
+
+export function isRustEditor(editor: vscode.TextEditor): editor is RustEditor {
+    return isRustDocument(editor.document);
+}
-- 
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