Add a special `len` to `Args`

2 files changed, 23 insertions, 6 deletions

diff --git a/src/framework/standard/args.rs b/src/framework/standard/args.rs
index 6bc87bc..3c596a0 100644
--- a/src/framework/standard/args.rs
+++ b/src/framework/standard/args.rs
@@ -208,6 +208,23 @@ impl Args {
     /// ```
     pub fn full(&self) -> &str { &self.message }
 
+    /// The amount of args.
+    /// 
+    /// # Examples
+    ///
+    /// ```rust
+    /// use serenity::framework::standard::Args;
+    ///
+    /// let mut args = Args::new("42 69", &[" ".to_string()]);
+    ///
+    /// assert_eq!(args.len(), 2); // `2` because `["42", "69"]`
+    /// ```
+    pub fn len(&self) -> usize {
+        // TODO: Handle quotes too.
+
+        self.message.split(&self.delimiter).count()
+    }
+
     /// Skips if there's a first element, but also returns it.
     ///
     /// # Examples
diff --git a/src/framework/standard/mod.rs b/src/framework/standard/mod.rs
index 02de3c0..2e5fad0 100644
--- a/src/framework/standard/mod.rs
+++ b/src/framework/standard/mod.rs
@@ -513,22 +513,22 @@ impl StandardFramework {
                 }
             }
 
-            let arg_len = args.len();
-
+            let len = args.len();
+            
             if let Some(x) = command.min_args {
-                if arg_len < x as usize {
+                if len < x as usize {
                     return Some(DispatchError::NotEnoughArguments {
                         min: x,
-                        given: arg_len,
+                        given: len,
                     });
                 }
             }
 
             if let Some(x) = command.max_args {
-                if arg_len > x as usize {
+                if len > x as usize {
                     return Some(DispatchError::TooManyArguments {
                         max: x,
-                        given: arg_len,
+                        given: len,
                     });
                 }
             }