Refine is_empty methods.

src/packages/blob_basic.rs

@@ -140,7 +140,7 @@ pub mod blob_functions {
     pub fn len(blob: &mut Blob) -> INT {
         blob.len() as INT
     }
-    /// Return true if the blob is empty.
+    /// Return true if the BLOB is empty.
     #[rhai_fn(name = "is_empty", get = "is_empty", pure)]
     pub fn is_empty(blob: &mut Blob) -> bool {
         blob.len() == 0

src/packages/iter_basic.rs

@@ -666,7 +666,7 @@ mod range_functions {
         let _ = range;
         true
     }
-    /// Returns true if the range contains no items.
+    /// Return true if the range contains no items.
     #[rhai_fn(get = "is_empty", name = "is_empty", pure)]
     pub fn is_empty_exclusive(range: &mut ExclusiveRange) -> bool {
         range.is_empty()
@@ -693,7 +693,7 @@ mod range_functions {
         let _ = range;
         false
     }
-    /// Returns true if the range contains no items.
+    /// Return true if the range contains no items.
     #[rhai_fn(get = "is_empty", name = "is_empty", pure)]
     pub fn is_empty_inclusive(range: &mut InclusiveRange) -> bool {
         range.is_empty()

src/packages/map_basic.rs

@@ -26,7 +26,7 @@ mod map_functions {
         map.len() as INT
     }
     /// Return true if the map is empty.
-    #[rhai_fn(name = "is_empty", get = "is_empty", pure)]
+    #[rhai_fn(pure)]
     pub fn is_empty(map: &mut Map) -> bool {
         map.len() == 0
     }