reduce list to functions callable in const ctx.

5 files changed, 10 insertions, 10 deletions

diff --git a/src/liballoc/collections/btree/map.rs b/src/liballoc/collections/btree/map.rs
index 8a721a50b46..24c8fd3a969 100644
--- a/src/liballoc/collections/btree/map.rs
+++ b/src/liballoc/collections/btree/map.rs
@@ -2074,7 +2074,7 @@ impl<K, V> BTreeMap<K, V> {
     /// assert_eq!(a.len(), 1);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn len(&self) -> usize {
+    pub fn len(&self) -> usize {
         self.length
     }
 
@@ -2093,7 +2093,7 @@ impl<K, V> BTreeMap<K, V> {
     /// assert!(!a.is_empty());
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn is_empty(&self) -> bool {
+    pub fn is_empty(&self) -> bool {
         self.len() == 0
     }
 }
diff --git a/src/liballoc/collections/btree/set.rs b/src/liballoc/collections/btree/set.rs
index 6a0ecfd3f58..af9a7074e4a 100644
--- a/src/liballoc/collections/btree/set.rs
+++ b/src/liballoc/collections/btree/set.rs
@@ -730,7 +730,7 @@ impl<T> BTreeSet<T> {
     /// assert_eq!(v.len(), 1);
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn len(&self) -> usize {
+    pub fn len(&self) -> usize {
         self.map.len()
     }
 
@@ -747,7 +747,7 @@ impl<T> BTreeSet<T> {
     /// assert!(!v.is_empty());
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn is_empty(&self) -> bool {
+    pub fn is_empty(&self) -> bool {
         self.len() == 0
     }
 }
diff --git a/src/liballoc/collections/vec_deque.rs b/src/liballoc/collections/vec_deque.rs
index b139b440fe1..e0ae7561d45 100644
--- a/src/liballoc/collections/vec_deque.rs
+++ b/src/liballoc/collections/vec_deque.rs
@@ -933,7 +933,7 @@ impl<T> VecDeque<T> {
     /// assert!(!v.is_empty());
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn is_empty(&self) -> bool {
+    pub fn is_empty(&self) -> bool {
         self.tail == self.head
     }
 
diff --git a/src/liballoc/string.rs b/src/liballoc/string.rs
index 8f379c4cfb4..5c776292f53 100644
--- a/src/liballoc/string.rs
+++ b/src/liballoc/string.rs
@@ -1374,7 +1374,7 @@ impl String {
     /// ```
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn len(&self) -> usize {
+    pub fn len(&self) -> usize {
         self.vec.len()
     }
 
@@ -1395,7 +1395,7 @@ impl String {
     /// ```
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn is_empty(&self) -> bool {
+    pub fn is_empty(&self) -> bool {
         self.len() == 0
     }
 
@@ -1662,7 +1662,7 @@ impl FromUtf8Error {
     /// assert_eq!(1, error.valid_up_to());
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn utf8_error(&self) -> Utf8Error {
+    pub fn utf8_error(&self) -> Utf8Error {
         self.error
     }
 }
diff --git a/src/liballoc/vec.rs b/src/liballoc/vec.rs
index 78e9da2084d..f7a0bbdceaf 100644
--- a/src/liballoc/vec.rs
+++ b/src/liballoc/vec.rs
@@ -1165,7 +1165,7 @@ impl<T> Vec<T> {
     /// ```
     #[inline]
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn len(&self) -> usize {
+    pub fn len(&self) -> usize {
         self.len
     }
 
@@ -1181,7 +1181,7 @@ impl<T> Vec<T> {
     /// assert!(!v.is_empty());
     /// ```
     #[stable(feature = "rust1", since = "1.0.0")]
-    pub const fn is_empty(&self) -> bool {
+    pub fn is_empty(&self) -> bool {
         self.len() == 0
     }