def LookupVariable(self, var_name: "std::string const &") -> "operations_research::MPVariable *":
r"""
Looks up a variable by name, and returns nullptr if it does not exist. The
first call has a O(n) complexity, as the variable name index is lazily
created upon first use. Will crash if variable names are not unique.
"""
return _pywraplp.Solver_LookupVariable(self, var_name)
def LookupVariable(
self, var_name: 'std::string const &'
) -> "operations_research::MPVariable *":
return _pywraplp.Solver_LookupVariable(self, var_name)
def LookupVariable(self, var_name):
return _pywraplp.Solver_LookupVariable(self, var_name)