code: def _bracket_exact_exec(self, symbol):
          
          if symbol in self.context.module.executables:
              return self.context.module.executables[symbol]
  
          if symbol in self.context.module.interfaces:
              return self.context.module.interfaces[symbol]
  
          if symbol in cache.builtin:
              return cache.builtin[symbol]
  
          #Loop through all the dependencies of the current module and see
          #if one of them is the method we are looking for.
          return self.context.module.get_dependency_element(symbol)
docs: Checks builtin, local and global executable collections for the
          specified symbol and returns it as soon as it is found.