pub fn iter(&self) -> ParameterIter {
        ParameterIter {
            inner: self.list.iter(),
        }
    }
/// Returns an `Iterator` over the parameters in this set.
Returns an `Iterator` over the parameters in this set.
Returns an ` Iterator ` over the parameters in this set .
pub fn iter(&self) -> ParameterIter {
        ParameterIter {
            inner: self.list.iter(),
        }
    }
pub fn iter ( & self ) -> ParameterIter { ParameterIter { inner : self . list . iter ( ) , } }
Returns an `Iterator` over the parameters in this set.
Returns an ` Iterator ` over the parameters in this set .
&self
&self