Merge pull request swiftlang#336 from kimdv/kimdv/make-array-conform-to-expressible-as

Author: kimdv

Sources/SwiftSyntaxBuilder/Buildables.swift.gyb

@@ -265,6 +265,13 @@ public struct ${node.syntax_kind}: SyntaxBuildable {
  }
 }
 
+extension ${node.syntax_kind}: ExpressibleByArrayLiteral {
+% extension_protocol = element_type if element_type is 'TokenSyntax' else 'ExpressibleAs' + element_type
+ public init(arrayLiteral elements: ${extension_protocol}...) {
+ self.init(elements)
+ }
+}
+
 % end
 % if node.is_buildable() or node.is_syntax_collection():
 % expressible_as_type = 'ExpressibleAs' + node.syntax_kind