feat(paths): add is_empty method to check if Paths collection is empty

Author: doubleailes

src/lib.rs

@@ -89,15 +89,14 @@
 //! ```rust
 //! use framels::{basic_listing, extended_listing, parse_dir, paths::{Paths,Join}, recursive_dir};
 //!
-//! fn main() {
-//!    // Perform directory listing
-//!   let in_paths: Paths = parse_dir("./samples/small");
+//! 
+//! // Perform directory listing
+//! let in_paths: Paths = parse_dir("./samples/small");
 //!
-//!  // Generate results based on arguments
+//! // Generate results based on arguments
 //! let results: String = basic_listing(in_paths, false).get_paths().join("\n");
 //!
 //! println!("{}", results)
-//! }
 //! ```
 mod exr_metadata;
 pub mod paths;
@@ -307,15 +306,13 @@ fn create_frame_string(value: Vec<String>) -> String {
 /// ```rust
 /// use framels::{basic_listing, parse_dir, paths::{Paths,Join}};
 ///
-/// fn main() {
-///     // Perform directory listing
-///     let in_paths: Paths = parse_dir("./samples/small");
+/// // Perform directory listing
+/// let in_paths: Paths = parse_dir("./samples/small");
 ///
-///     // Generate results based on arguments
-///     let results: String = basic_listing(in_paths, false).get_paths().join("\n");
+/// // Generate results based on arguments
+/// let results: String = basic_listing(in_paths, false).get_paths().join("\n");
 ///
-///      println!("{}", results)
-/// }
+/// println!("{}", results)
 /// ```
 pub fn basic_listing(frames: Paths, multithreaded: bool) -> PathsPacked {
     let frames_dict: HashMap<String, Vec<String>> = parse_result(frames, multithreaded);

src/paths.rs

@@ -76,6 +76,27 @@ impl Paths {
     pub fn len(&self) -> usize {
         self.data.len()
     }
+    /// # is_empty
+    ///
+    /// ## Description
+    ///
+    /// Return true if the paths collection is empty, false otherwise
+    ///
+    /// ## Example
+    ///
+    /// ```rust
+    /// use framels::paths::Paths;
+    /// use std::path::PathBuf;
+    ///
+    /// let empty_paths = Paths::from(vec![]);
+    /// assert_eq!(empty_paths.is_empty(), true);
+    ///
+    /// let paths = Paths::from(vec![PathBuf::from("foo")]);
+    /// assert_eq!(paths.is_empty(), false);
+    /// ```
+    pub fn is_empty(&self) -> bool {
+        self.data.is_empty()
+    }
     /// # iter
     ///
     /// ## Description