Function parsePrefixUnaryExpression

test/fixtures/snapshot/typescript.js:34886–34889

()

            return finishNode(factory.createAsExpression(left, right), left.pos);
        }
        function parsePrefixUnaryExpression() {
            var pos = getNodePos();
            return finishNode(factory.createPrefixUnaryExpression(token(), nextTokenAnd(parseSimpleUnaryExpression)), pos);
        }
        function parseDeleteExpression() {
            var pos = getNodePos();
            return finishNode(factory.createDeleteExpression(nextTokenAnd(parseSimpleUnaryExpression)), pos);