The Unstable Book
1.
Compiler flags
1.1.
linker_flavor
1.2.
profile
1.3.
remap_path_prefix
2.
Language features
2.1.
abi_msp430_interrupt
2.2.
abi_ptx
2.3.
abi_sysv64
2.4.
abi_thiscall
2.5.
abi_unadjusted
2.6.
abi_vectorcall
2.7.
abi_x86_interrupt
2.8.
advanced_slice_patterns
2.9.
allocator_internals
2.10.
allow_fail
2.11.
allow_internal_unsafe
2.12.
allow_internal_unstable
2.13.
asm
2.14.
associated_type_defaults
2.15.
attr_literals
2.16.
box_patterns
2.17.
box_syntax
2.18.
catch_expr
2.19.
cfg_target_feature
2.20.
cfg_target_has_atomic
2.21.
cfg_target_thread_local
2.22.
cfg_target_vendor
2.23.
compiler_builtins
2.24.
concat_idents
2.25.
conservative_impl_trait
2.26.
const_fn
2.27.
const_indexing
2.28.
custom_attribute
2.29.
custom_derive
2.30.
decl_macro
2.31.
default_type_parameter_fallback
2.32.
doc_cfg
2.33.
drop_types_in_const
2.34.
dropck_eyepatch
2.35.
dropck_parametricity
2.36.
exclusive_range_pattern
2.37.
fn_must_use
2.38.
fundamental
2.39.
generic_param_attrs
2.40.
global_allocator
2.41.
global_asm
2.42.
i128_type
2.43.
inclusive_range_syntax
2.44.
intrinsics
2.45.
lang_items
2.46.
link_args
2.47.
link_cfg
2.48.
link_llvm_intrinsics
2.49.
linkage
2.50.
log_syntax
2.51.
macro_reexport
2.52.
macro_vis_matcher
2.53.
main
2.54.
naked_functions
2.55.
needs_allocator
2.56.
needs_panic_runtime
2.57.
never_type
2.58.
no_core
2.59.
no_debug
2.60.
non_ascii_idents
2.61.
omit_gdb_pretty_printer_section
2.62.
on_unimplemented
2.63.
optin_builtin_traits
2.64.
overlapping_marker_traits
2.65.
panic_runtime
2.66.
placement_in_syntax
2.67.
platform_intrinsics
2.68.
plugin
2.69.
plugin_registrar
2.70.
prelude_import
2.71.
proc_macro
2.72.
profiler_runtime
2.73.
quote
2.74.
repr_align
2.75.
repr_simd
2.76.
rustc_attrs
2.77.
rustc_diagnostic_macros
2.78.
sanitizer_runtime
2.79.
simd
2.80.
simd_ffi
2.81.
slice_patterns
2.82.
specialization
2.83.
staged_api
2.84.
start
2.85.
static_nobundle
2.86.
stmt_expr_attributes
2.87.
structural_match
2.88.
target_feature
2.89.
thread_local
2.90.
trace_macros
2.91.
type_ascription
2.92.
unboxed_closures
2.93.
unsized_tuple_coercion
2.94.
untagged_unions
2.95.
unwind_attributes
2.96.
use_extern_macros
2.97.
used
3.
Library Features
3.1.
alloc
3.2.
alloc_jemalloc
3.3.
alloc_system
3.4.
allocator_api
3.5.
ascii_ctype
3.6.
box_heap
3.7.
c_void_variant
3.8.
char_error_internals
3.9.
coerce_unsized
3.10.
collection_placement
3.11.
collections
3.12.
collections_range
3.13.
compiler_builtins_lib
3.14.
concat_idents_macro
3.15.
core_char_ext
3.16.
core_float
3.17.
core_intrinsics
3.18.
core_panic
3.19.
core_private_bignum
3.20.
core_private_diy_float
3.21.
core_slice_ext
3.22.
core_str_ext
3.23.
dec2flt
3.24.
decode_utf8
3.25.
derive_clone_copy
3.26.
derive_eq
3.27.
drain_filter
3.28.
error_type_id
3.29.
exact_size_is_empty
3.30.
fd
3.31.
fd_read
3.32.
fixed_size_array
3.33.
flt2dec
3.34.
fmt_flags_align
3.35.
fmt_internals
3.36.
fn_traits
3.37.
fnbox
3.38.
from_utf8_error_as_bytes
3.39.
fused
3.40.
future_atomic_orderings
3.41.
get_type_id
3.42.
heap_api
3.43.
hint_core_should_pause
3.44.
i128
3.45.
inclusive_range
3.46.
int_error_internals
3.47.
integer_atomics
3.48.
io
3.49.
io_error_internals
3.50.
ip
3.51.
iter_rfind
3.52.
iterator_step_by
3.53.
libstd_io_internals
3.54.
libstd_sys_internals
3.55.
libstd_thread_internals
3.56.
linked_list_extras
3.57.
lookup_host
3.58.
mpsc_select
3.59.
n16
3.60.
never_type_impls
3.61.
nonzero
3.62.
offset_to
3.63.
once_poison
3.64.
panic_abort
3.65.
panic_col
3.66.
panic_unwind
3.67.
pattern
3.68.
placement_in
3.69.
placement_new_protocol
3.70.
print_internals
3.71.
proc_macro
3.72.
proc_macro_internals
3.73.
profiler_runtime_lib
3.74.
rand
3.75.
range_contains
3.76.
raw
3.77.
read_initializer
3.78.
refcell_replace_swap
3.79.
rt
3.80.
rustc_private
3.81.
sanitizer_runtime_lib
3.82.
set_stdio
3.83.
shared
3.84.
sip_hash_13
3.85.
slice_concat_ext
3.86.
slice_get_slice
3.87.
slice_rotate
3.88.
slice_rsplit
3.89.
sort_internals
3.90.
splice
3.91.
step_trait
3.92.
str_escape
3.93.
str_internals
3.94.
string_retain
3.95.
swap_nonoverlapping
3.96.
swap_with_slice
3.97.
take_set_limit
3.98.
test
3.99.
thread_local_internals
3.100.
thread_local_state
3.101.
toowned_clone_into
3.102.
trusted_len
3.103.
try_from
3.104.
try_trait
3.105.
unicode
3.106.
unique
3.107.
unreachable
3.108.
unsize
3.109.
update_panic_count
3.110.
vec_remove_item
3.111.
vec_resize_default
3.112.
windows_c
3.113.
windows_handle
3.114.
windows_net
3.115.
windows_stdio
thread_local
The tracking issue for this feature is:
#29594