(self, key, default=None, loc=None)
return self[key]
Evaluates and sets the specified option value in
        environment `loc`. Many options need `N` to be defined in
        `loc`, some need `popsize`.

        Details
        -------
        Keys that contain 'filename' are not evaluated.
        For `loc` is None, the self-dict is used as environment

        :See: `evalall()`, `__call__`
Evaluates and sets the specified option value in
        environment `loc`. Many options need `N` to be defined in
        `loc`, some need `popsize`.
Evaluates and sets the specified option value in environment loc . Many options need N to be defined in loc some need popsize .
def eval(self, key, default=None, loc=None):
        """Evaluates and sets the specified option value in
        environment `loc`. Many options need `N` to be defined in
        `loc`, some need `popsize`.

        Details
        -------
        Keys that contain 'filename' are not evaluated.
        For `loc` is None, the self-dict is used as environment

        :See: `evalall()`, `__call__`

        """
        self[key] = self(key, default, loc)
        return self[key]
def eval ( self , key , default = None , loc = None ) : self [ key ] = self ( key , default , loc ) return self [ key ]