add deep diff pd

README.md

@@ -25,55 +25,6 @@ let recipe_dir = cfg.get("RECIPE_DIR").unwrap();
 
 ---
 
-** Helper functions **
-
-This will be included in the next version. So the following functions may just have to implement by yourself for now.
-
-```rust
-
-use std::collections::HashMap;
-use std::fs::File;
-use std::io::{self, Error, Read};
-
-/// Get valid country names
-fn valid_country_name() -> Vec<&'static str> {
-    vec!["mys", "sgp", "aus", "tha", "hkg", "dubai", "uae"]
-}
-
-/// Get latest versions of recipes
-fn grep_latest_versions(dir_path: &str) -> Result<HashMap<String, usize>, io::Error> {
-    let mut vs = HashMap::new();
-
-    // open dir
-    let entries = std::fs::read_dir(dir_path)?
-        .map(|res| res.map(|e| e.path()))
-        .collect::<Result<Vec<_>, io::Error>>()?;
-
-    for e in entries {
-        let path = e.clone().to_str().unwrap().to_string();
-        let mut cl_path = path.clone();
-        let path_split = path.split("/").collect::<Vec<&str>>();
-        let dir_name = path_split[path_split.len() - 1];
-
-        if valid_country_name().contains(&dir_name) {
-            cl_path.push_str("/version");
-
-            // read filename
-            let mut file = File::open(cl_path)?;
-            let mut data = String::new();
-            file.read_to_string(&mut data).unwrap();
-
-            vs.insert(dir_name.to_string(), data.parse::<usize>().unwrap());
-        }
-
-        // expect dir with country
-    }
-
-    Ok(vs)
-}
-
-```
-
 ### Get recipe from specific country (latest)
 ```rust
 ...