code: func (mem *memNamedMapping) Delete(name string) (value interface{}, found bool) {
  	item, found := mem.removeNameIdxSync(name)
  	if found {
  		mem.publishDelToChannel(name, item.value)
  		return item.value, found
  	}
  	return nil, false
  }
docs: // Delete removes an item associated with the given <name> from the mapping.