Method push

crates/execution/txpool/src/invalidation.rs:129–135

Adds `key` to the set if not already present. Returns `true` if the key was newly inserted.

(&mut self, key: InvalidationKey)

    /// Adds `key` to the set if not already present. Returns `true` if the key
    /// was newly inserted.
    pub fn push(&mut self, key: InvalidationKey) -> bool {
        if self.keys.contains(&key) {
            return false;
        }
        self.keys.push(key);
        true
    }

    /// Builds a watch set from an iterator of keys, de-duplicating as it goes.
    #[must_use]