Trait cfg::history::Action

pub trait Action {
    fn no_op(&self) -> Self;
}

Trait for history types that may have semantic actions.

Required methods

fn no_op(&self) -> Self

Returns a history with no-op semantic action.

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Implementors

impl Action for History

fn no_op(&self) -> Self

impl Action for NullHistory

fn no_op(&self) -> Self

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