2016-04-29.md

Subteam report: libs 2016-04-29

Highlights

This week the libs team discussed the set of issues that were going to move into their cycle-long final comment period for either stabilization or deprecation. The following issues will all be decided on at the end of the cycle, and please feel free to leave comments on them!

• FCP Issue #27717: Tracking issue for static synchronization primitives
• FCP Issue #27720: Tracking issue for OpenOptionsExt on Windows
• FCP Issue #27784: Tracking issue for char encoding methods
• FCP Issue #30014: Tracking issue for OpenOptions expansion
• FCP Issue #30425: Tracking issue for downgraded_weak (No way to construct std::rc::Weak without a strong reference)
• FCP Issue #30449: Custom panic handlers in the standard library
• FCP Issue #31190: Tracking issue for CStr::from_bytes_with_nul
• FCP Issue #31399: Tracking issue for SystemTime accessors from fs::Metadata
• FCP Issue #31767: Tracking issue for compare_exchange
• FCP Issue #32111: Tracking issue for the Peekable::is_empty function
• FCP Issue #32281: Add methods exposing keys of BTreeMap and HashMap entries
• FCP Issue #32312: Tracking issue for Unix Sockets in the standard library
• FCP Issue #32551: Add values_mut to {BTree, Hash}Map
• FCP Issue #33018: Tracking issue for slice::binary_search_by_key

Dashboard

High priority issues

Issues needing a decision

RFC phase

• FCP PR #1480: RFC proposal for thread affinity
• FCP PR #1521: Copy clone semantics
• FCP PR #1542: Add TryFrom and TryInto traits
• FCP PR #1547: as_millis function on std::time::Duration
• FCP PR #1596: RFC: Float-free libcore
• 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 #1502: libstd::sys, the great libstd refactor
• PR #1533: Keyless Entry
• PR #1534: RFC: Saturating and checking integer wrapper types
• PR #1568: Stream wrappers standardization
• PR #1574: More api documentation conventions
• PR #1581: FusedIterator marker trait and iter::Fuse specialization
• PR #1583: Add parse_generics! and parse_where! macros

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
• Issue #32838: Allocator traits (tracking issue for RFC 1398)
• Issue #32976: Tracking issue for adding more atomic integer types

Stabilization phase

• FCP Issue #27717: Tracking issue for static synchronization primitives
• FCP Issue #27720: Tracking issue for OpenOptionsExt on Windows
• FCP Issue #27784: Tracking issue for char encoding methods
• FCP Issue #30014: Tracking issue for OpenOptions expansion
• FCP Issue #30425: Tracking issue for downgraded_weak (No way to construct std::rc::Weak without a strong reference)
• FCP Issue #30449: Custom panic handlers in the standard library
• FCP Issue #31190: Tracking issue for CStr::from_bytes_with_nul
• FCP Issue #31399: Tracking issue for SystemTime accessors from fs::Metadata
• FCP Issue #31767: Tracking issue for compare_exchange
• FCP Issue #32111: Tracking issue for the Peekable::is_empty function
• FCP Issue #32281: Add methods exposing keys of BTreeMap and HashMap entries
• FCP Issue #32312: Tracking issue for Unix Sockets in the standard library
• FCP Issue #32551: Add values_mut to {BTree, Hash}Map
• FCP Issue #33018: Tracking issue for slice::binary_search_by_key
• 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 #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 #27751: Tracking issue for raw 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 #30877: Tracking issue for RangeArgument
• Issue #31398: Tracking issue for CommandExt::before_exec
• Issue #32110: Tracking issue for libcore prelude traits
• Issue #32838: Allocator traits (tracking issue for RFC 1398)
• Issue #33082: Tracking issue for alloc_system/alloc_jemalloc