Explain limitations correctly

rayon-rs · Sep 25, 2017 · 7b7560b · 7b7560b
1 parent 286f82f
commit 7b7560b
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Showing 2 changed files with 6 additions and 2 deletions.
diff --git a/src/iter/mod.rs b/src/iter/mod.rs
@@ -781,6 +781,8 @@ impl<T: ParallelIterator> IntoParallelIterator for T {
 /// An iterator that supports "random access" to its data, meaning
 /// that you can split it at arbitrary indices and draw data from
 /// those points.
+///
+/// **Note:** Not implemented for `u64` and `i64`
 pub trait IndexedParallelIterator: ParallelIterator {
     /// Collects the results of the iterator into the specified
     /// vector. The vector is always truncated before execution

diff --git a/src/range.rs b/src/range.rs
@@ -18,8 +18,10 @@ use iter::*;
 use iter::internal::*;
 use std::ops::Range;
 
-/// Parallel iterator over a range
-/// Implemented for `u32`, `i32`, `usize` and `isize`.
+/// Parallel iterator over a range, implemented for all integer types.
+///
+/// Note: The `zip` operation requires `IndexedParallelIterator`
+/// which is not implemented for `u64` or `i64`.
 ///
 /// ```
 /// use rayon::prelude::*;