Class With

src/speech.rs:624–627

// the variables are placed on (and later) popped of a variable stack before/after the replacement
#[derive(Debug, Clone)]
struct With {
    variables: VariableDefinitions,     // variables and values
    replacements: ReplacementArray,     // what to do with these vars
}

impl fmt::Display for With {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {