RustPython · youknowone · Jun 28, 2025 · Jun 24, 2025 · Jun 27, 2025 · Jun 27, 2025
diff --git a/common/src/borrow.rs b/common/src/borrow.rs
@@ -56,6 +56,7 @@ impl<'a, T: ?Sized> BorrowedValue<'a, T> {
 
 impl<T: ?Sized> Deref for BorrowedValue<'_, T> {
     type Target = T;
+
     fn deref(&self) -> &T {
         match self {
             Self::Ref(r) => r,
@@ -81,6 +82,7 @@ pub enum BorrowedValueMut<'a, T: ?Sized> {
     WriteLock(PyRwLockWriteGuard<'a, T>),
     MappedWriteLock(PyMappedRwLockWriteGuard<'a, T>),
 }
+
 impl_from!('a, T, BorrowedValueMut<'a, T>,
     RefMut(&'a mut T),
     MuLock(PyMutexGuard<'a, T>),
@@ -108,6 +110,7 @@ impl<'a, T: ?Sized> BorrowedValueMut<'a, T> {
 
 impl<T: ?Sized> Deref for BorrowedValueMut<'_, T> {
     type Target = T;
+
     fn deref(&self) -> &T {
         match self {
             Self::RefMut(r) => r,

diff --git a/common/src/boxvec.rs b/common/src/boxvec.rs
@@ -46,25 +46,25 @@ impl<T> BoxVec<T> {
     }
 
     #[inline]
-    pub fn len(&self) -> usize {
+    pub const fn len(&self) -> usize {
         self.len
     }
 
     #[inline]
-    pub fn is_empty(&self) -> bool {
+    pub const fn is_empty(&self) -> bool {
         self.len() == 0
     }
 
     #[inline]
-    pub fn capacity(&self) -> usize {
+    pub const fn capacity(&self) -> usize {
         self.xs.len()
     }
 
-    pub fn is_full(&self) -> bool {
+    pub const fn is_full(&self) -> bool {
         self.len() == self.capacity()
     }
 
-    pub fn remaining_capacity(&self) -> usize {
+    pub const fn remaining_capacity(&self) -> usize {
         self.capacity() - self.len()
     }
 
@@ -336,6 +336,7 @@ impl<T> BoxVec<T> {
 
 impl<T> Deref for BoxVec<T> {
     type Target = [T];
+
     #[inline]
     fn deref(&self) -> &[T] {
         unsafe { slice::from_raw_parts(self.as_ptr(), self.len()) }
@@ -354,6 +355,7 @@ impl<T> DerefMut for BoxVec<T> {
 impl<'a, T> IntoIterator for &'a BoxVec<T> {
     type Item = &'a T;
     type IntoIter = slice::Iter<'a, T>;
+
     fn into_iter(self) -> Self::IntoIter {
         self.iter()
     }
@@ -363,6 +365,7 @@ impl<'a, T> IntoIterator for &'a BoxVec<T> {
 impl<'a, T> IntoIterator for &'a mut BoxVec<T> {
     type Item = &'a mut T;
     type IntoIter = slice::IterMut<'a, T>;
+
     fn into_iter(self) -> Self::IntoIter {
         self.iter_mut()
     }
@@ -374,6 +377,7 @@ impl<'a, T> IntoIterator for &'a mut BoxVec<T> {
 impl<T> IntoIterator for BoxVec<T> {
     type Item = T;
     type IntoIter = IntoIter<T>;
+
     fn into_iter(self) -> IntoIter<T> {
         IntoIter { index: 0, v: self }
     }
@@ -672,7 +676,7 @@ pub struct CapacityError<T = ()> {
 
 impl<T> CapacityError<T> {
     /// Create a new `CapacityError` from `element`.
-    pub fn new(element: T) -> CapacityError<T> {
+    pub const fn new(element: T) -> CapacityError<T> {
         CapacityError { element }
     }
 

diff --git a/common/src/cformat.rs b/common/src/cformat.rs
@@ -76,8 +76,9 @@ pub enum CFloatType {
 }
 
 impl CFloatType {
-    fn case(self) -> Case {
+    const fn case(self) -> Case {
         use CFloatType::*;
+
         match self {
             ExponentLower | PointDecimalLower | GeneralLower => Case::Lower,
             ExponentUpper | PointDecimalUpper | GeneralUpper => Case::Upper,
@@ -100,7 +101,7 @@ pub enum CFormatType {
 }
 
 impl CFormatType {
-    pub fn to_char(self) -> char {
+    pub const fn to_char(self) -> char {
         match self {
             CFormatType::Number(x) => x as u8 as char,
             CFormatType::Float(x) => x as u8 as char,
@@ -136,9 +137,9 @@ bitflags! {
 impl CConversionFlags {
     #[inline]
     pub fn sign_string(&self) -> &'static str {
-        if self.contains(CConversionFlags::SIGN_CHAR) {
+        if self.contains(Self::SIGN_CHAR) {
             "+"
-        } else if self.contains(CConversionFlags::BLANK_SIGN) {
+        } else if self.contains(Self::BLANK_SIGN) {
             " "
         } else {
             ""
@@ -171,12 +172,15 @@ pub trait FormatChar: Copy + Into<CodePoint> + From<u8> {
 
 impl FormatBuf for String {
     type Char = char;
+
     fn chars(&self) -> impl Iterator<Item = Self::Char> {
         (**self).chars()
     }
+
     fn len(&self) -> usize {
         self.len()
     }
+
     fn concat(mut self, other: Self) -> Self {
         self.extend([other]);
         self
@@ -187,19 +191,23 @@ impl FormatChar for char {
     fn to_char_lossy(self) -> char {
         self
     }
+
     fn eq_char(self, c: char) -> bool {
         self == c
     }
 }
 
 impl FormatBuf for Wtf8Buf {
     type Char = CodePoint;
+
     fn chars(&self) -> impl Iterator<Item = Self::Char> {
         self.code_points()
     }
+
     fn len(&self) -> usize {
         (**self).len()
     }
+
     fn concat(mut self, other: Self) -> Self {
         self.extend([other]);
         self
@@ -210,19 +218,23 @@ impl FormatChar for CodePoint {
     fn to_char_lossy(self) -> char {
         self.to_char_lossy()
     }
+
     fn eq_char(self, c: char) -> bool {
         self == c
     }
 }
 
 impl FormatBuf for Vec<u8> {
     type Char = u8;
+
     fn chars(&self) -> impl Iterator<Item = Self::Char> {
         self.iter().copied()
     }
+
     fn len(&self) -> usize {
         self.len()
     }
+
     fn concat(mut self, other: Self) -> Self {
         self.extend(other);
         self
@@ -233,6 +245,7 @@ impl FormatChar for u8 {
     fn to_char_lossy(self) -> char {
         self.into()
     }
+
     fn eq_char(self, c: char) -> bool {
         char::from(self) == c
     }
@@ -393,6 +406,7 @@ impl CFormatSpec {
             Some(&(CFormatQuantity::Amount(1).into())),
         )
     }
+
     pub fn format_bytes(&self, bytes: &[u8]) -> Vec<u8> {
         let bytes = if let Some(CFormatPrecision::Quantity(CFormatQuantity::Amount(precision))) =
             self.precision
@@ -706,12 +720,12 @@ pub enum CFormatPart<T> {
 
 impl<T> CFormatPart<T> {
     #[inline]
-    pub fn is_specifier(&self) -> bool {
+    pub const fn is_specifier(&self) -> bool {
         matches!(self, CFormatPart::Spec { .. })
     }
 
     #[inline]
-    pub fn has_key(&self) -> bool {
+    pub const fn has_key(&self) -> bool {
         match self {
             CFormatPart::Spec(s) => s.mapping_key.is_some(),
             _ => false,
@@ -803,6 +817,7 @@ impl<S> CFormatStrOrBytes<S> {
 impl<S> IntoIterator for CFormatStrOrBytes<S> {
     type Item = (usize, CFormatPart<S>);
     type IntoIter = std::vec::IntoIter<Self::Item>;
+
     fn into_iter(self) -> Self::IntoIter {
         self.parts.into_iter()
     }

diff --git a/common/src/encodings.rs b/common/src/encodings.rs
@@ -121,6 +121,7 @@ impl ops::Add for StrSize {
         }
     }
 }
+
 impl ops::AddAssign for StrSize {
     fn add_assign(&mut self, rhs: Self) {
         self.bytes += rhs.bytes;
@@ -133,6 +134,7 @@ struct DecodeError<'a> {
     rest: &'a [u8],
     err_len: Option<usize>,
 }
+
 /// # Safety
 /// `v[..valid_up_to]` must be valid utf8
 unsafe fn make_decode_err(v: &[u8], valid_up_to: usize, err_len: Option<usize>) -> DecodeError<'_> {
@@ -152,6 +154,7 @@ enum HandleResult<'a> {
         reason: &'a str,
     },
 }
+
 fn decode_utf8_compatible<Ctx, E, DecodeF, ErrF>(
     mut ctx: Ctx,
     errors: &E,

diff --git a/common/src/fileutils.rs b/common/src/fileutils.rs
@@ -256,7 +256,7 @@ pub mod windows {
         }
     }
 
-    fn attributes_to_mode(attr: u32) -> u16 {
+    const fn attributes_to_mode(attr: u32) -> u16 {
         let mut m = 0;
         if attr & FILE_ATTRIBUTE_DIRECTORY != 0 {
             m |= libc::S_IFDIR | 0o111; // IFEXEC for user,group,other
@@ -362,6 +362,7 @@ pub mod windows {
             }
         }
     }
+
     pub fn stat_basic_info_to_stat(info: &FILE_STAT_BASIC_INFORMATION) -> StatStruct {
         use windows_sys::Win32::Storage::FileSystem;
         use windows_sys::Win32::System::Ioctl;

diff --git a/common/src/float_ops.rs b/common/src/float_ops.rs
@@ -2,7 +2,7 @@ use malachite_bigint::{BigInt, ToBigInt};
 use num_traits::{Float, Signed, ToPrimitive, Zero};
 use std::f64;
 
-pub fn decompose_float(value: f64) -> (f64, i32) {
+pub const fn decompose_float(value: f64) -> (f64, i32) {
     if 0.0 == value {
         (0.0, 0i32)
     } else {
@@ -63,7 +63,7 @@ pub fn gt_int(value: f64, other_int: &BigInt) -> bool {
     }
 }
 
-pub fn div(v1: f64, v2: f64) -> Option<f64> {
+pub const fn div(v1: f64, v2: f64) -> Option<f64> {
     if v2 != 0.0 { Some(v1 / v2) } else { None }
 }
 

diff --git a/common/src/format.rs b/common/src/format.rs
@@ -392,7 +392,7 @@ impl FormatSpec {
         }
     }
 
-    fn get_separator_interval(&self) -> usize {
+    const fn get_separator_interval(&self) -> usize {
         match self.format_type {
             Some(FormatType::Binary | FormatType::Octal | FormatType::Hex(_)) => 4,
             Some(FormatType::Decimal | FormatType::Number(_) | FormatType::FixedPoint(_)) => 3,
@@ -677,7 +677,7 @@ struct AsciiStr<'a> {
 }
 
 impl<'a> AsciiStr<'a> {
-    fn new(inner: &'a str) -> Self {
+    const fn new(inner: &'a str) -> Self {
         Self { inner }
     }
 }
@@ -690,6 +690,7 @@ impl CharLen for AsciiStr<'_> {
 
 impl Deref for AsciiStr<'_> {
     type Target = str;
+
     fn deref(&self) -> &Self::Target {
         self.inner
     }

diff --git a/common/src/hash.rs b/common/src/hash.rs
@@ -32,6 +32,7 @@ pub struct HashSecret {
 
 impl BuildHasher for HashSecret {
     type Hasher = SipHasher24;
+
     fn build_hasher(&self) -> Self::Hasher {
         SipHasher24::new_with_keys(self.k0, self.k1)
     }
@@ -80,7 +81,7 @@ impl HashSecret {
 }
 
 #[inline]
-pub fn hash_pointer(value: usize) -> PyHash {
+pub const fn hash_pointer(value: usize) -> PyHash {
     // TODO: 32bit?
     let hash = (value >> 4) | value;
     hash as _
@@ -140,17 +141,17 @@ pub fn hash_bigint(value: &BigInt) -> PyHash {
 }
 
 #[inline]
-pub fn hash_usize(data: usize) -> PyHash {
+pub const fn hash_usize(data: usize) -> PyHash {
     fix_sentinel(mod_int(data as i64))
 }
 
 #[inline(always)]
-pub fn fix_sentinel(x: PyHash) -> PyHash {
+pub const fn fix_sentinel(x: PyHash) -> PyHash {
     if x == SENTINEL { -2 } else { x }
 }
 
 #[inline]
-pub fn mod_int(value: i64) -> PyHash {
+pub const fn mod_int(value: i64) -> PyHash {
     value % MODULUS as i64
 }
 

diff --git a/common/src/int.rs b/common/src/int.rs
@@ -128,7 +128,7 @@ pub fn bytes_to_int(lit: &[u8], mut base: u32) -> Option<BigInt> {
 }
 
 #[inline]
-pub fn detect_base(c: &u8) -> Option<u32> {
+pub const fn detect_base(c: &u8) -> Option<u32> {
     let base = match c {
         b'x' | b'X' => 16,
         b'b' | b'B' => 2,