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Subteam report: libs 2016-04-08

Highlights

This week marked the conclusion of the 1.9 release cycle final comment period (FCP). The libs team discussed the stabilization decisions for all issues, coming to the following conclusions:

  • FCP Issue #27719: Tracking issue for recover stabilization
    • Stabilize with the names catch_unwind, resume_unwind, AssertUnwindSafe, and UnwindSafe.
  • FCP Issue #27751: Tracking issue for raw stabilization
    • Deprecate the Slice type and the Repr trait
  • FCP Issue #27754: Tracking issue for str_char stabilization
    • Stabilize the is_char_boundary method, deprecate char_range_at, char_range_at_reverse, char_at, char_at_reverse, and slice_shift_char.
  • FCP Issue #27780: Tracking issue for <*mut T, *const T>::{as_ref, as_mut_ref}
    • Stabilize both methods with by-value self instead of by-reference
  • FCP Issue #27784: Tracking issue for char encoding methods
    • Postpone stabilization of encode_utf8 pending investigation into the performance of the two methods.
  • FCP Issue #27809: Tracking issue for make_ascii_{upper,lower}case
    • Stabilize both methods as-is
  • FCP Issue #27811: Tracking issue for CommandExt::session_leader
    • Deprecate in favor of CommandExt::befor_exec
  • FCP Issue #27830: Tracking issue for UTF-16 decoding iterators
    • Stabilize functions as-is with a tweak to the error type in the iterator.
  • FCP Issue #28050: Set recovery methods
    • Stabilize as-is
  • FCP Issue #29453: Add Capacity/length methods for OsString
    • Stabilize as-is
  • FCP Issue #29791: Tracking issue for getting pthread_t from JoinHandle
    • Stabilize as-is
  • FCP Issue #29935: Tracking issue for #[deprecated]
    • Stabilize as-is
  • FCP Issue #30014: Tracking issue for OpenOptions expansion
    • Stabilize as-is
  • FCP Issue #30752: Tracking issue for panic::propagate
    • Stabilize with the name resume_unwind
  • FCP Issue #31262: HashMap and HashSet should provide a getter for their hashers
    • Stabilize as-is
  • FCP Issue #31398: Tracking issue for CommandExt::{exec, before_exec}
    • Stabilize the exec function
  • FCP Issue #31405: Tracking issue for file_try_clone
    • Stabilize as-is
  • FCP Issue #31572: Tracking issue for SocketAddr setters
    • Stabilize as-is
  • FCP Issue #31755: Tracking issue for <[T]>::copy_from_slice
    • Stabilize as-is
  • FCP Issue #31756: Tracking issue for ptr::{read,write}_volatile
    • Stabilize as-is

More information about the relevant decision can be found on the issue and final comment as well. Stabilizations have all been applied in [rust-lang/rust#32804]

Dashboard

High priority issues

Issues needing a decision

RFC phase

  • FCP PR #1398: Allocators, take III
  • FCP PR #1505: Add a generic Atomic type
  • FCP PR #1543: Add more integer atomic types
  • PR #1218: RFC: Checked integer conversions
  • PR #1309: OS string string-like interface
  • PR #1325: Add panic-safe slicing methods
  • PR #1353: Add retain_mut to Vec and VecDeque
  • PR #1379: Change thread local variables to only accept async-signal-safe types.
  • PR #1480: RFC proposal for thread affinity
  • PR #1502: libstd::sys, the great libstd refactor
  • PR #1521: Copy clone semantics
  • PR #1533: Keyless Entry
  • PR #1534: RFC: Saturating and checking integer wrapper types
  • PR #1542: Add TryFrom and TryInto traits
  • PR #1547: as_millis function on std::time::Duration
  • PR #1568: Stream wrappers standardization
  • PR #1571: rfc 1291: Add errno() and set_errno() to libc scope
  • PR #1574: More api documentation conventions

Implementation phase

  • Issue #5016: implement "dynamic drop" semantics using flags on the stack rather than zeroing
  • Issue #19986: Tracking issue for collections reform part 2 (RFC 509)
  • Issue #32310: Tracking issue for {Vec,String}::splice
  • Issue #32311: Tracking issue for Range*::contains
  • Issue #32313: Tracking issue for Ipv6Addr octet methods
  • Issue #32630: Tracking issue for {VecDeque,LinkedList}::contains

Stabilization phase

  • Issue #5016: implement "dynamic drop" semantics using flags on the stack rather than zeroing
  • Issue #24263: discriminant_value intrinsic -- tracking issue for 639
  • Issue #27389: Tracking issue for changing the global, default allocator (RFC 1183)
  • Issue #27700: Tracking issue for allocation APIs
  • Issue #27703: Tracking issue for stabilizing randomness
  • Issue #27705: Tracking issue for DNS in std::net
  • Issue #27708: Tracking issue for as_unsafe_cell stabilization
  • Issue #27709: Tracking issue for Ipv{4,6}Addr convenience methods
  • Issue #27716: Tracking issue for thread_local_state stabilization
  • Issue #27717: Tracking issue for static synchronization primitives
  • Issue #27720: Tracking issue for OpenOptionsExt on Windows
  • Issue #27721: Tracking issue for string patterns
  • Issue #27726: Tracking issue for access to Formatter flags/options
  • Issue #27730: Tracking issue for NonZero/Unique/Shared stabilization
  • Issue #27731: Tracking issue for SIMD support
  • Issue #27732: Tracking issue for DST coercions (coerce_unsized, unsize) stabilization
  • Issue #27733: Tracking issue for borrow_state stabilization
  • Issue #27739: Tracking issue for Zero/One/iter_arith stabilization
  • Issue #27741: Tracking issue for step_by stabilization
  • Issue #27745: Tracking issue for type_id stabilization
  • Issue #27747: Tracking issue for slice_concat_ext stabilization
  • Issue #27749: Tracking issue for Reflect stabilization
  • Issue #27752: Tracking issue for float_extras stabilization
  • Issue #27778: Tracking issue for core::array
  • Issue #27779: Tracking issue for placement new
  • Issue #27783: Tracking issue for location of facade crates
  • Issue #27787: Tracking issue for sorted collection ranges
  • Issue #27788: Tracking issue for VecDeque Extras
  • Issue #27791: Tracking issue for str escaping
  • Issue #27794: Tracking issue for extra linked list methods
  • Issue #27800: Tracking issue for channel selection
  • Issue #27802: Tracking issue for Read::chars
  • Issue #27812: Tracking issue for crates that are compiler dependencies
  • Issue #28147: Tracking issue for BinaryHeap::{push_pop, replace}
  • Issue #28237: Tracking issue for ... inclusive ranges (RFC #1192)
  • Issue #28356: Tracking issue for Arc/Rc extras
  • Issue #28796: Tracking issue for FnBox()
  • Issue #29553: Tracking issue for #[bench] and benchmarking support
  • Issue #29625: Tracking issue for Fn traits (unboxed_closures feature)
  • Issue #30172: Implement placement-in protocol for relevant data structures
  • Issue #30425: No way to construct std::rc::Weak without a strong reference
  • Issue #30449: Custom panic handlers in the standard library
  • Issue #30877: Tracking issue for RangeArgument
  • Issue #31190: Tracking issue for CStr::from_bytes_with_nul
  • Issue #31399: Tracking issue for SystemTime accessors from fs::Metadata
  • Issue #31767: Tracking issue for compare_exchange
  • Issue #32110: Tracking issue for libcore prelude traits
  • Issue #32111: Tracking issue for the Peekable::is_empty function
  • Issue #32281: Add methods exposing keys of BTreeMap and HashMap entries
  • Issue #32312: Tracking issue for Unix Sockets in the standard library
  • Issue #32551: Add values_mut to {BTree, Hash}Map
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