Trait VariableSolutionIndex

pub trait VariableSolutionIndex {
    // Required method
    fn index(self, solution: &QuerySolution) -> Option<usize>;
}

A utility trait to get values for a given variable or tuple position.

See QuerySolution::get.

Required Methods

fn index(self, solution: &QuerySolution) -> Option<usize>

Implementations on Foreign Types

impl VariableSolutionIndex for &str

fn index(self, solution: &QuerySolution) -> Option<usize>

impl VariableSolutionIndex for usize

fn index(self, _: &QuerySolution) -> Option<usize>

Implementors

impl VariableSolutionIndex for &Variable

impl VariableSolutionIndex for VariableRef<'_>

impl VariableSolutionIndex for Variable