pub trait ParsingOp {
// Required method
fn parse_into(&self, input: &'static str) -> Vec<(&'static str, ConstValue)>;
// Provided method
fn parse_all(&self, ctx: &Context) -> Vec<(&'static str, ConstValue)> { ... }
}
pub trait ParsingOp {
// Required method
fn parse_into(&self, input: &'static str) -> Vec<(&'static str, ConstValue)>;
// Provided method
fn parse_all(&self, ctx: &Context) -> Vec<(&'static str, ConstValue)> { ... }
}