Update Sources/SwiftParser/Types.swift

Co-authored-by: Alex Hoppen <[email protected]>

Author: flashspys

Sources/SwiftParser/Types.swift

@@ -452,8 +452,7 @@ extension Parser {
         let type = self.parseType(misplacedSpecifiers: misplacedSpecifiers)
         let ellipsis = self.currentToken.isEllipsis ? self.consumeAnyToken() : nil
         var trailingComma = self.consume(if: .comma)
-        var lookahead = self.lookahead()
-        if trailingComma == nil && lookahead.canParseType() {
+        if trailingComma == nil && self.withLookahead({ $0.canParseType() }) {
           // If the next token does not close the tuple, it is very likely the user forgot the comma.
           trailingComma = self.missingToken(.comma)
         }