reduce list to functions callable in const ctx.

Author: Centril

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
     }
 }

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
     }
 }

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
     }
 

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
     }
 }

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
     }
 

src/libcore/alloc.rs

@@ -116,7 +116,7 @@ impl Layout {
     /// The minimum size in bytes for a memory block of this layout.
     #[stable(feature = "alloc_layout", since = "1.28.0")]
     #[inline]
-    pub const fn size(&self) -> usize { self.size_ }
+    pub fn size(&self) -> usize { self.size_ }
 
     /// The minimum byte alignment for a memory block of this layout.
     #[stable(feature = "alloc_layout", since = "1.28.0")]

src/libcore/char/decode.rs

@@ -130,7 +130,7 @@ impl<I: Iterator<Item = u16>> Iterator for DecodeUtf16<I> {
 impl DecodeUtf16Error {
     /// Returns the unpaired surrogate which caused this error.
     #[stable(feature = "decode_utf16", since = "1.9.0")]
-    pub const fn unpaired_surrogate(&self) -> u16 {
+    pub fn unpaired_surrogate(&self) -> u16 {
         self.code
     }
 }

src/libcore/fmt/mod.rs

@@ -341,7 +341,7 @@ impl<'a> Arguments<'a> {
     #[doc(hidden)] #[inline]
     #[unstable(feature = "fmt_internals", reason = "internal to format_args!",
                issue = "0")]
-    pub const fn new_v1(pieces: &'a [&'a str],
+    pub fn new_v1(pieces: &'a [&'a str],
                   args: &'a [ArgumentV1<'a>]) -> Arguments<'a> {
         Arguments {
             pieces,
@@ -359,7 +359,7 @@ impl<'a> Arguments<'a> {
     #[doc(hidden)] #[inline]
     #[unstable(feature = "fmt_internals", reason = "internal to format_args!",
                issue = "0")]
-    pub const fn new_v1_formatted(pieces: &'a [&'a str],
+    pub fn new_v1_formatted(pieces: &'a [&'a str],
                             args: &'a [ArgumentV1<'a>],
                             fmt: &'a [rt::v1::Argument]) -> Arguments<'a> {
         Arguments {
@@ -1492,7 +1492,7 @@ impl<'a> Formatter<'a> {
     /// assert_eq!(&format!("{:t>6}", Foo), "tttttt");
     /// ```
     #[stable(feature = "fmt_flags", since = "1.5.0")]
-    pub const fn fill(&self) -> char { self.fill }
+    pub fn fill(&self) -> char { self.fill }
 
     /// Flag indicating what form of alignment was requested.
     ///
@@ -1562,7 +1562,7 @@ impl<'a> Formatter<'a> {
     /// assert_eq!(&format!("{}", Foo(23)), "Foo(23)");
     /// ```
     #[stable(feature = "fmt_flags", since = "1.5.0")]
-    pub const fn width(&self) -> Option<usize> { self.width }
+    pub fn width(&self) -> Option<usize> { self.width }
 
     /// Optionally specified precision for numeric types.
     ///
@@ -1589,7 +1589,7 @@ impl<'a> Formatter<'a> {
     /// assert_eq!(&format!("{}", Foo(23.2)), "Foo(23.20)");
     /// ```
     #[stable(feature = "fmt_flags", since = "1.5.0")]
-    pub const fn precision(&self) -> Option<usize> { self.precision }
+    pub fn precision(&self) -> Option<usize> { self.precision }
 
     /// Determines if the `+` flag was specified.
     ///
@@ -1617,7 +1617,7 @@ impl<'a> Formatter<'a> {
     /// assert_eq!(&format!("{}", Foo(23)), "Foo(23)");
     /// ```
     #[stable(feature = "fmt_flags", since = "1.5.0")]
-    pub const fn sign_plus(&self) -> bool {
+    pub fn sign_plus(&self) -> bool {
         self.flags & (1 << FlagV1::SignPlus as u32) != 0
     }
 
@@ -1645,7 +1645,7 @@ impl<'a> Formatter<'a> {
     /// assert_eq!(&format!("{}", Foo(23)), "Foo(23)");
     /// ```
     #[stable(feature = "fmt_flags", since = "1.5.0")]
-    pub const fn sign_minus(&self) -> bool {
+    pub fn sign_minus(&self) -> bool {
         self.flags & (1 << FlagV1::SignMinus as u32) != 0
     }
 
@@ -1672,7 +1672,7 @@ impl<'a> Formatter<'a> {
     /// assert_eq!(&format!("{}", Foo(23)), "23");
     /// ```
     #[stable(feature = "fmt_flags", since = "1.5.0")]
-    pub const fn alternate(&self) -> bool {
+    pub fn alternate(&self) -> bool {
         self.flags & (1 << FlagV1::Alternate as u32) != 0
     }
 
@@ -1697,7 +1697,7 @@ impl<'a> Formatter<'a> {
     /// assert_eq!(&format!("{:04}", Foo(23)), "23");
     /// ```
     #[stable(feature = "fmt_flags", since = "1.5.0")]
-    pub const fn sign_aware_zero_pad(&self) -> bool {
+    pub fn sign_aware_zero_pad(&self) -> bool {
         self.flags & (1 << FlagV1::SignAwareZeroPad as u32) != 0
     }
 

src/libcore/panic.rs

@@ -55,7 +55,7 @@ impl<'a> PanicInfo<'a> {
                 issue = "0")]
     #[doc(hidden)]
     #[inline]
-    pub const fn internal_constructor(message: Option<&'a fmt::Arguments<'a>>,
+    pub fn internal_constructor(message: Option<&'a fmt::Arguments<'a>>,
                                 location: Location<'a>)
                                 -> Self {
         struct NoPayload;
@@ -96,7 +96,7 @@ impl<'a> PanicInfo<'a> {
     ///
     /// [`fmt::write`]: ../fmt/fn.write.html
     #[unstable(feature = "panic_info_message", issue = "44489")]
-    pub const fn message(&self) -> Option<&fmt::Arguments> {
+    pub fn message(&self) -> Option<&fmt::Arguments> {
         self.message
     }
 
@@ -125,7 +125,7 @@ impl<'a> PanicInfo<'a> {
     /// panic!("Normal panic");
     /// ```
     #[stable(feature = "panic_hooks", since = "1.10.0")]
-    pub const fn location(&self) -> Option<&Location> {
+    pub fn location(&self) -> Option<&Location> {
         // NOTE: If this is changed to sometimes return None,
         // deal with that case in std::panicking::default_hook and std::panicking::begin_panic_fmt.
         Some(&self.location)
@@ -186,7 +186,7 @@ impl<'a> Location<'a> {
                           and related macros",
                 issue = "0")]
     #[doc(hidden)]
-    pub const fn internal_constructor(file: &'a str, line: u32, col: u32) -> Self {
+    pub fn internal_constructor(file: &'a str, line: u32, col: u32) -> Self {
         Location { file, line, col }
     }
 
@@ -208,7 +208,7 @@ impl<'a> Location<'a> {
     /// panic!("Normal panic");
     /// ```
     #[stable(feature = "panic_hooks", since = "1.10.0")]
-    pub const fn file(&self) -> &str {
+    pub fn file(&self) -> &str {
         self.file
     }
 
@@ -230,7 +230,7 @@ impl<'a> Location<'a> {
     /// panic!("Normal panic");
     /// ```
     #[stable(feature = "panic_hooks", since = "1.10.0")]
-    pub const fn line(&self) -> u32 {
+    pub fn line(&self) -> u32 {
         self.line
     }
 
@@ -252,7 +252,7 @@ impl<'a> Location<'a> {
     /// panic!("Normal panic");
     /// ```
     #[stable(feature = "panic_col", since = "1.25.0")]
-    pub const fn column(&self) -> u32 {
+    pub fn column(&self) -> u32 {
         self.col
     }
 }

src/libcore/pin.rs

@@ -207,7 +207,7 @@ impl<'a, T: ?Sized> Pin<&'a T> {
     /// with the same lifetime as the original `Pin`.
     #[unstable(feature = "pin", issue = "49150")]
     #[inline(always)]
-    pub const fn get_ref(this: Pin<&'a T>) -> &'a T {
+    pub fn get_ref(this: Pin<&'a T>) -> &'a T {
         this.pointer
     }
 }
@@ -216,7 +216,7 @@ impl<'a, T: ?Sized> Pin<&'a mut T> {
     /// Convert this `Pin<&mut T>` into a `Pin<&T>` with the same lifetime.
     #[unstable(feature = "pin", issue = "49150")]
     #[inline(always)]
-    pub const fn into_ref(this: Pin<&'a mut T>) -> Pin<&'a T> {
+    pub fn into_ref(this: Pin<&'a mut T>) -> Pin<&'a T> {
         Pin { pointer: this.pointer }
     }