battler 0.9.1

Pokémon battle engine for Rust.
Documentation 
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use alloc::string::String;
use core::cell::{
    RefCell,
    RefMut,
};

use battler_data::Id;
use hashbrown::{
    HashMap,
    HashSet,
};

use crate::effect::fxlang::Value;

/// State for the evaluation of an event.
#[derive(Debug, Default)]
pub struct EventState {
    effect_ids_to_skip: RefCell<HashSet<Id>>,
    values: RefCell<HashMap<String, Value>>,
}

impl EventState {
    fn effect_ids_to_skip(&self) -> RefMut<'_, HashSet<Id>> {
        self.effect_ids_to_skip.borrow_mut()
    }

    fn values(&self) -> RefMut<'_, HashMap<String, Value>> {
        self.values.borrow_mut()
    }

    /// Marks the effect's callback to be skipped for the event.
    pub fn skip_effect(&self, effect: Id) {
        let mut skip = self.effect_ids_to_skip();
        skip.insert(effect);
    }

    /// Checks if the effect's callback for the event should run.
    pub fn effect_should_run(&self, effect: &str) -> bool {
        !self.effect_ids_to_skip().contains(effect)
    }

    /// Saves an arbitrary value to a key.
    pub fn save_value(&self, key: String, value: Value) {
        self.values().insert(key, value);
    }

    /// Reads an artbirary value by key.
    pub fn read_value(&self, key: &str) -> Option<Value> {
        self.values().get(key).cloned()
    }
}