Function makeAsExpression

test/fixtures/snapshot/typescript.js:34883–34885

(left, right)

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