Remove impl_animatable_for_option_tuple

components/style/properties/helpers.mako.rs

@@ -956,63 +956,6 @@
     %>
 </%def>
 
-/// Macro for defining Animatable trait for tuple struct which has Option<T>,
-/// e.g. struct T(pub Option<Au>).
-<%def name="impl_animatable_for_option_tuple(value_for_none)">
-    impl Animatable for T {
-        #[inline]
-        fn add_weighted(&self, other: &Self, self_portion: f64, other_portion: f64)
-            -> Result<Self, ()> {
-            match (self, other) {
-                (&T(Some(ref this)), &T(Some(ref other))) => {
-                    Ok(T(this.add_weighted(other, self_portion, other_portion).ok()))
-                },
-                (&T(Some(ref this)), &T(None)) => {
-                    Ok(T(this.add_weighted(&${value_for_none}, self_portion, other_portion).ok()))
-                },
-                (&T(None), &T(Some(ref other))) => {
-                    Ok(T(${value_for_none}.add_weighted(other, self_portion, other_portion).ok()))
-                },
-                (&T(None), &T(None)) => {
-                    Ok(T(None))
-                },
-            }
-        }
-
-        #[inline]
-        fn compute_distance(&self, other: &Self) -> Result<f64, ()> {
-            match (self, other) {
-                (&T(Some(ref this)), &T(Some(ref other))) => {
-                    this.compute_distance(other)
-                },
-                (&T(Some(ref value)), &T(None)) |
-                (&T(None), &T(Some(ref value)))=> {
-                    value.compute_distance(&${value_for_none})
-                },
-                (&T(None), &T(None)) => {
-                    Ok(0.0)
-                },
-            }
-        }
-
-        #[inline]
-        fn compute_squared_distance(&self, other: &Self) -> Result<f64, ()> {
-            match (self, other) {
-                (&T(Some(ref this)), &T(Some(ref other))) => {
-                    this.compute_squared_distance(other)
-                },
-                (&T(Some(ref value)), &T(None)) |
-                (&T(None), &T(Some(ref value))) => {
-                    value.compute_squared_distance(&${value_for_none})
-                },
-                (&T(None), &T(None)) => {
-                    Ok(0.0)
-                },
-            }
-        }
-    }
-</%def>
-
 // Define property that supports prefixed intrinsic size keyword values for gecko.
 // E.g. -moz-max-content, -moz-min-content, etc.
 <%def name="gecko_size_type(name, length_type, initial_value, logical, **kwargs)">