1848   function apply_blockopts(block, blockopts) {  argument
1849     if (typeof(blockopts) === 'number') {
1850       block.$$arity = blockopts;
1852     else if (typeof(blockopts) === 'object') {
1853       Object.assign(block, blockopts);
1887   // @param blockopts [Object, Number] optional properties to set on the block
1889   Opal.send = function(recv, method, args, block, blockopts) {  argument
1901     return Opal.send2(recv, body, method, args, block, blockopts);
1904   Opal.send2 = function(recv, body, method, args, block, blockopts) {  argument
1910     apply_blockopts(block, blockopts);
1916   Opal.refined_send = function(refinement_groups, recv, method, args, block, blockopts) {  argument
1945             return Opal.send2(recv, body, method, args, block, blockopts);
1951     return Opal.send(recv, method, args, block, blockopts);
1954   Opal.lambda = function(block, blockopts) {  argument
1957     apply_blockopts(block, blockopts);
1996   // @param blockopts [Object, Number] optional properties to set on the body
1999   Opal.def = function(obj, jsid, body, blockopts) {  argument
2000     apply_blockopts(body, blockopts);
2054   Opal.defs = function(obj, jsid, body, blockopts) {  argument
2055     apply_blockopts(body, blockopts);