Fallout in libs -- misc missing bounds uncovered by WF checks.

4 files changed, 6 insertions, 5 deletions

diff --git a/src/libcore/iter.rs b/src/libcore/iter.rs
index 3382095b456..d19f3b6d27a 100644
--- a/src/libcore/iter.rs
+++ b/src/libcore/iter.rs
@@ -2623,7 +2623,7 @@ impl<A, St, F> Iterator for Unfold<St, F> where F: FnMut(&mut St) -> Option<A> {
 /// two `Step` objects.
 #[unstable(feature = "step_trait",
            reason = "likely to be replaced by finer-grained traits")]
-pub trait Step: PartialOrd {
+pub trait Step: PartialOrd+Sized {
     /// Steps `self` if possible.
     fn step(&self, by: &Self) -> Option<Self>;
 
diff --git a/src/libcore/marker.rs b/src/libcore/marker.rs
index c0956753c98..32f367e12f0 100644
--- a/src/libcore/marker.rs
+++ b/src/libcore/marker.rs
@@ -56,7 +56,7 @@ pub trait Sized {
 /// Types that can be "unsized" to a dynamically sized type.
 #[unstable(feature = "unsize")]
 #[lang="unsize"]
-pub trait Unsize<T> {
+pub trait Unsize<T: ?Sized> {
     // Empty.
 }
 
diff --git a/src/libcore/num/mod.rs b/src/libcore/num/mod.rs
index ad891bf8fa6..7507e5782d6 100644
--- a/src/libcore/num/mod.rs
+++ b/src/libcore/num/mod.rs
@@ -19,7 +19,7 @@ use char::CharExt;
 use cmp::{Eq, PartialOrd};
 use fmt;
 use intrinsics;
-use marker::Copy;
+use marker::{Copy, Sized};
 use mem::size_of;
 use option::Option::{self, Some, None};
 use result::Result::{self, Ok, Err};
@@ -1264,7 +1264,7 @@ pub enum FpCategory {
 #[doc(hidden)]
 #[unstable(feature = "core_float",
            reason = "stable interface is via `impl f{32,64}` in later crates")]
-pub trait Float {
+pub trait Float: Sized {
     /// Returns the NaN value.
     fn nan() -> Self;
     /// Returns the infinite value.
diff --git a/src/libcore/str/mod.rs b/src/libcore/str/mod.rs
index 3c9338c2cd2..d5bceb3ba62 100644
--- a/src/libcore/str/mod.rs
+++ b/src/libcore/str/mod.rs
@@ -25,6 +25,7 @@ use default::Default;
 use fmt;
 use iter::ExactSizeIterator;
 use iter::{Map, Iterator, DoubleEndedIterator};
+use marker::Sized;
 use mem;
 use ops::{Fn, FnMut, FnOnce};
 use option::Option::{self, None, Some};
@@ -37,7 +38,7 @@ pub mod pattern;
 /// A trait to abstract the idea of creating a new instance of a type from a
 /// string.
 #[stable(feature = "rust1", since = "1.0.0")]
-pub trait FromStr {
+pub trait FromStr: Sized {
     /// The associated error which can be returned from parsing.
     #[stable(feature = "rust1", since = "1.0.0")]
     type Err;