Fix crash

ibsh · web-flow · commit 58a22e552844 · 2020-04-13T12:11:50.000-07:00
Don't let MetaCode crash if it's initialised with an empty array of elements
diff --git a/Sources/Meta/PlainCode.swift b/Sources/Meta/PlainCode.swift
@@ -56,6 +56,7 @@ extension MetaCode {
     }
 
     public var swiftString: String {
+        guard metaElements.isEmpty == false else { return String() }
         var string = metaElements
             .map { $0.swiftString }
             .indented(indentation)

Original file line number	Diff line number	Diff line change
`@@ -56,6 +56,7 @@ extension MetaCode {`
`56`	`56`	`}`
`57`	`57`
`58`	`58`	`public var swiftString: String {`
	`59`	`+ guard metaElements.isEmpty == false else { return String() }`
`59`	`60`	`var string = metaElements`
`60`	`61`	`.map { $0.swiftString }`
`61`	`62`	`.indented(indentation)`