lexical

Changed

• Improved performance of number formatting with non-decimal radices (#169).

Fixed

• Inaccurate number formatting with non-decimal radices (#169).

Changed

• Higher performance when parsing floats with digit separators.

Fixed

• Inlining inconsistency between public API methods (credit to @zheland)
• Incorrectly accepting leading zeros when no_integer_leading_zeros was enabled.
• Have consistent errors when an invalid leading digit is found for floating point numbers to always be Error::InvalidDigit.
• Incorrect parsing of consecutive digit separators.
• Inaccuracies when parsing digit separators at various positions leading to incorect errors being returned.
• Selecting only a subset of parse and/or write features would cause compilation errors.
• Fixed bug with writing integers with custom radices.

Added

• Added fuzzing and miri code safety analysis to our CI pipelines.
• Removed requirement of alloc in no_std ennvironments without the write feature.
• Make multi-digit optimizations in integer parsing optional.
• Much higher miri coverage including for proptests and our corner cases from the golang test suite.

Changed

• Updated the MSRV to 1.63.0 (1.65.0 for development).
• Improved performance due to compiler regressions in rustc 1.81.0 and above.

Fixed

• Removed use of undefined behavior in MaybeUninit.
• Provide better safety documentation.
• Parsing of Ruby float literals.
• Performance regressions in Rust 1.81.0+.
• Removed incorrect bounds checking in reading from iterators.
• Overflow checking with integer parsing.
• Writing -0.0 with a leading -.
• Reduced binary siezes when the compact feature was enabled.
• Improved performance of integer and float parsing, particularly with small integers.
• Removed almost all unsafety in lexical-util and clearly documented the preconditions to use safely.
• Removed almost all unsafety in lexical-write-integer and clearly documented the preconditions to use safely.
• Writing special numbers even with invalid float formats is now always memory safe.

Removed

• Support for mips (MIPS), mipsel (MIPS LE), mips64 (MIPS64 BE), and mips64el (MIPS64 LE) on Linux.
• All _unchecked API methods, since the performance benefits are dubious and it makes safety invariant checking much harder.
• The safe and nightly features, since ASM is now supported by the MSRV on stable and opt-in for memory-safe indexing is no longer relevant.