: A significant standard library change now allows traits like Debug , Default , and PartialEq to be implemented for arrays of any length , lifting the previous restriction of length 32 or less.
: By default, build dependencies are now built with opt-level = 0 to speed up compilation times. What’s new in Rust 1.47
Range::is_empty and RangeInclusive::is_empty : Simple checks for whether a range contains no values. : A significant standard library change now allows
Result::as_deref and Result::as_deref_mut : Useful for working with references inside Result types. What’s new in Rust 1.47
: The compiler now supports the -C control-flow-guard option for Windows platforms, providing an extra layer of security against memory corruption vulnerabilities.
ASCII character checks (e.g., is_ascii_alphabetic , is_ascii_digit ).