Deprecate FnPtr::num_curried.

CHANGELOG.md

@@ -9,6 +9,11 @@ Bug fixes
 
 * Self-contained `AST` now works properly with `Engine::call_fn`.
 
+Deprecated API's
+----------------
+
+* `FnPtr::num_curried` is deprecated in favor of `FnPtr::curry().len()`.
+
 
 Version 1.7.0
 =============

src/api/deprecated.rs

@@ -259,6 +259,19 @@ impl<T> From<EvalAltResult> for RhaiResultOf<T> {
 }
 
 impl FnPtr {
+    /// Get the number of curried arguments.
+    ///
+    /// # Deprecated
+    ///
+    /// This method is deprecated. Use [`curry().len()`][`FnPtr::curry`] instead.
+    ///
+    /// This method will be removed in the next major version.
+    #[deprecated(since = "1.8.0", note = "use `curry().len()` instead")]
+    #[inline(always)]
+    #[must_use]
+    pub fn num_curried(&self) -> usize {
+        self.curry().len()
+    }
     /// Call the function pointer with curried arguments (if any).
     /// The function may be script-defined (not available under `no_function`) or native Rust.
     ///

src/types/fn_ptr.rs

@@ -88,12 +88,6 @@ impl FnPtr {
     pub fn is_curried(&self) -> bool {
         !self.1.is_empty()
     }
-    /// Get the number of curried arguments.
-    #[inline(always)]
-    #[must_use]
-    pub fn num_curried(&self) -> usize {
-        self.1.len()
-    }
     /// Does the function pointer refer to an anonymous function?
     ///
     /// Not available under `no_function`.
@@ -219,8 +213,8 @@ impl FnPtr {
         let mut arg_values = arg_values.as_mut();
         let mut args_data;
 
-        if self.num_curried() > 0 {
-            args_data = StaticVec::with_capacity(self.num_curried() + arg_values.len());
+        if self.is_curried() {
+            args_data = StaticVec::with_capacity(self.curry().len() + arg_values.len());
             args_data.extend(self.curry().iter().cloned());
             args_data.extend(arg_values.iter_mut().map(mem::take));
             arg_values = args_data.as_mut();