vscode/extensions/rust/language-configuration.json

{
	"comments": {
		"lineComment": "//",
		"blockComment": [ "/*", "*/" ]
	},
	"brackets": [
		["{", "}"],
		["[", "]"],
		["(", ")"]
	],
	"autoClosingPairs": [
		["{", "}"],
		["[", "]"],
		["(", ")"],
		["\"", "\""]
	],
	"surroundingPairs": [
		["{", "}"],
		["[", "]"],
		["(", ")"],
		["\"", "\""],
		["'", "'"]
	],
	"folding": {
		"markers": {
			"start": "^\\s*#\\s*region\\b",
			"end": "^\\s*#\\s*endregion\\b"
		}
	}
}