From e07f8ecfbd2d3494a9dc17ea05b8c256d81ea410 Mon Sep 17 00:00:00 2001
From: Diggory Hardy <git@dhardy.name>
Date: Wed, 6 Feb 2019 14:35:29 +0000
Subject: [PATCH] Relax Sized bounds of sample_iter functions

---
 src/distributions/mod.rs | 4 ++--
 src/lib.rs               | 5 +++--
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/distributions/mod.rs b/src/distributions/mod.rs
index 6e2d6c7bad2..cb85389607b 100644
--- a/src/distributions/mod.rs
+++ b/src/distributions/mod.rs
@@ -259,7 +259,7 @@ pub trait Distribution<T> {
     /// }
     /// ```
     fn sample_iter<'a, R>(&'a self, rng: &'a mut R) -> DistIter<'a, Self, R, T>
-        where Self: Sized, R: Rng
+        where R: Rng + ?Sized
     {
         DistIter {
             distr: self,
@@ -284,7 +284,7 @@ impl<'a, T, D: Distribution<T>> Distribution<T> for &'a D {
 ///
 /// [`sample_iter`]: Distribution::sample_iter
 #[derive(Debug)]
-pub struct DistIter<'a, D: 'a, R: 'a, T> {
+pub struct DistIter<'a, D: 'a + ?Sized, R: 'a + ?Sized, T> {
     distr: &'a D,
     rng: &'a mut R,
     phantom: ::core::marker::PhantomData<T>,
diff --git a/src/lib.rs b/src/lib.rs
index 9c0482f328e..ed84573251c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -290,8 +290,9 @@ pub trait Rng: RngCore {
     ///     println!("Not a 6; rolling again!");
     /// }
     /// ```
-    fn sample_iter<'a, T, D: Distribution<T>>(&'a mut self, distr: &'a D)
-        -> distributions::DistIter<'a, D, Self, T> where Self: Sized
+    fn sample_iter<'a, T, D>(&'a mut self, distr: &'a D)
+        -> distributions::DistIter<'a, D, Self, T>
+        where D: Distribution<T> + ?Sized
     {
         distr.sample_iter(self)
     }