Intra-doc for iter Sum and Product traits

[rust.git] / src / libcore / iter / traits / accum.rs

diff --git a/src/libcore/iter/traits/accum.rs b/src/libcore/iter/traits/accum.rs
index 65af671ddf2045005f24cf1a8b92a1eea5eb7e4b..494c75174ff831733c7bc312645229c4e1ea5541 100644 (file)
--- a/src/libcore/iter/traits/accum.rs
+++ b/src/libcore/iter/traits/accum.rs
@@ -9,9 +9,9 @@
 /// [`FromIterator`] this trait should rarely be called directly and instead
 /// interacted with through [`Iterator::sum`].
 ///
-/// [`sum`]: ../../std/iter/trait.Sum.html#tymethod.sum
-/// [`FromIterator`]: ../../std/iter/trait.FromIterator.html
-/// [`Iterator::sum`]: ../../std/iter/trait.Iterator.html#method.sum
+/// [`sum`]: #tymethod.sum
+/// [`FromIterator`]: crate::iter::FromIterator
+/// [`Iterator::sum`]: crate::iter::Iterator::sum
 #[stable(feature = "iter_arith_traits", since = "1.12.0")]
 pub trait Sum<A = Self>: Sized {
     /// Method which takes an iterator and generates `Self` from the elements by
@@ -28,9 +28,9 @@ pub trait Sum<A = Self>: Sized {
 /// [`FromIterator`] this trait should rarely be called directly and instead
 /// interacted with through [`Iterator::product`].
 ///
-/// [`product`]: ../../std/iter/trait.Product.html#tymethod.product
-/// [`FromIterator`]: ../../std/iter/trait.FromIterator.html
-/// [`Iterator::product`]: ../../std/iter/trait.Iterator.html#method.product
+/// [`product`]: #tymethod.product
+/// [`FromIterator`]: crate::iter::FromIterator
+/// [`Iterator::product`]: crate::iter::Iterator::product
 #[stable(feature = "iter_arith_traits", since = "1.12.0")]
 pub trait Product<A = Self>: Sized {
     /// Method which takes an iterator and generates `Self` from the elements by
@@ -44,28 +44,28 @@ macro_rules! integer_sum_product {
     (@impls $zero:expr, $one:expr, #[$attr:meta], $($a:ty)*) => ($(
         #[$attr]
         impl Sum for $a {
-            fn sum<I: Iterator<Item=$a>>(iter: I) -> $a {
+            fn sum<I: Iterator<Item=Self>>(iter: I) -> Self {
                 iter.fold($zero, Add::add)
             }
         }
 
         #[$attr]
         impl Product for $a {
-            fn product<I: Iterator<Item=$a>>(iter: I) -> $a {
+            fn product<I: Iterator<Item=Self>>(iter: I) -> Self {
                 iter.fold($one, Mul::mul)
             }
         }
 
         #[$attr]
         impl<'a> Sum<&'a $a> for $a {
-            fn sum<I: Iterator<Item=&'a $a>>(iter: I) -> $a {
+            fn sum<I: Iterator<Item=&'a Self>>(iter: I) -> Self {
                 iter.fold($zero, Add::add)
             }
         }
 
         #[$attr]
         impl<'a> Product<&'a $a> for $a {
-            fn product<I: Iterator<Item=&'a $a>>(iter: I) -> $a {
+            fn product<I: Iterator<Item=&'a Self>>(iter: I) -> Self {
                 iter.fold($one, Mul::mul)
             }
         }
@@ -84,28 +84,28 @@ macro_rules! float_sum_product {
     ($($a:ident)*) => ($(
         #[stable(feature = "iter_arith_traits", since = "1.12.0")]
         impl Sum for $a {
-            fn sum<I: Iterator<Item=$a>>(iter: I) -> $a {
+            fn sum<I: Iterator<Item=Self>>(iter: I) -> Self {
                 iter.fold(0.0, Add::add)
             }
         }
 
         #[stable(feature = "iter_arith_traits", since = "1.12.0")]
         impl Product for $a {
-            fn product<I: Iterator<Item=$a>>(iter: I) -> $a {
+            fn product<I: Iterator<Item=Self>>(iter: I) -> Self {
                 iter.fold(1.0, Mul::mul)
             }
         }
 
         #[stable(feature = "iter_arith_traits", since = "1.12.0")]
         impl<'a> Sum<&'a $a> for $a {
-            fn sum<I: Iterator<Item=&'a $a>>(iter: I) -> $a {
+            fn sum<I: Iterator<Item=&'a Self>>(iter: I) -> Self {
                 iter.fold(0.0, Add::add)
             }
         }
 
         #[stable(feature = "iter_arith_traits", since = "1.12.0")]
         impl<'a> Product<&'a $a> for $a {
-            fn product<I: Iterator<Item=&'a $a>>(iter: I) -> $a {
+            fn product<I: Iterator<Item=&'a Self>>(iter: I) -> Self {
                 iter.fold(1.0, Mul::mul)
             }
         }