<commit_before>extern crate std;
use std::collections::HashMap;
use std::f64;

pub trait Node {
    fn eval(&self, env: &mut HashMap<String, f64>) -> Option<f64>;
}

pub struct Num {
    pub num: f64
}

impl Node for Num {
    fn eval(&self, env: &mut HashMap<String, f64>) -> Option<f64> {
        Some(self.num)
    }
}

pub struct Add {
    pub left: Box<Node>,
    pub right: Box<Node>,
}

impl Node for Add {
    fn eval(&self, env: &mut HashMap<String, f64>) -> Option<f64> {
        match self.left.eval(env) {
            Some(l) => {
                match self.right.eval(env) {<commit_msg>add underscore to silence unused argument<commit_after>extern crate std;
use std::collections::HashMap;
use std::f64;

pub trait Node {
    fn eval(&self, env: &mut HashMap<String, f64>) -> Option<f64>;
}

pub struct Num {
    pub num: f64
}

impl Node for Num {
    fn eval(&self, _env: &mut HashMap<String, f64>) -> Option<f64> {
        Some(self.num)
    }
}

pub struct Add {
    pub left: Box<Node>,
    pub right: Box<Node>,
}

impl Node for Add {
    fn eval(&self, env: &mut HashMap<String, f64>) -> Option<f64> {
        match self.left.eval(env) {
            Some(l) => {
                match self.right.eval(env) {
{'fraction_non_alphanumeric': 0.14832925835370822, 'fraction_numerical': 0.026079869600651995, 'mean_word_length': 2.6987951807228914, 'pattern_counts': {'":': 0, '<': 19, '<?xml version=': 0, '>': 27, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '5786231', 'n_tokens_mistral': 448, 'n_tokens_neox': 429, 'n_words': 125}