cdbbce0a9e
Drop unstable `Option::contains`, `Result::contains`, `Result::contains_err` This is a proposal to drop the three functions `Option::contains`, `Result::contains` and `Result::contains_err`. The discovery of `Option::is_some_with`/`Result::is_ok_with`/`Result::is_err_with` in https://github.com/rust-lang/rust/pull/93051 obviates the need for these methods (non-stabilization tracked in https://github.com/rust-lang/rust/issues/62358). An additional benefit of change is that it avoids spurious error messages in IDEs, when `contains` is supplied by a third-party library: 
178 lines
4.5 KiB
Rust
178 lines
4.5 KiB
Rust
#![feature(alloc_layout_extra)]
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#![feature(array_chunks)]
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#![feature(array_methods)]
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#![feature(array_windows)]
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#![feature(bigint_helper_methods)]
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#![feature(cell_update)]
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#![feature(const_align_offset)]
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#![feature(const_assume)]
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#![feature(const_align_of_val_raw)]
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#![feature(const_black_box)]
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#![feature(const_bool_to_option)]
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#![feature(const_caller_location)]
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#![feature(const_cell_into_inner)]
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#![feature(const_convert)]
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#![feature(const_for)]
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#![feature(const_hash)]
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#![feature(const_heap)]
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#![feature(const_intoiterator_identity)]
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#![feature(const_iter)]
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#![feature(const_maybe_uninit_as_mut_ptr)]
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#![feature(const_maybe_uninit_assume_init_read)]
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#![feature(const_nonnull_new)]
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#![feature(const_num_from_num)]
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#![feature(const_pointer_byte_offsets)]
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#![feature(const_pointer_is_aligned)]
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#![feature(const_ptr_as_ref)]
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#![feature(const_ptr_read)]
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#![feature(const_ptr_write)]
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#![feature(const_trait_impl)]
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#![feature(const_likely)]
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#![feature(const_location_fields)]
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#![feature(core_intrinsics)]
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#![feature(core_private_bignum)]
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#![feature(core_private_diy_float)]
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#![feature(dec2flt)]
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#![feature(div_duration)]
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#![feature(duration_consts_float)]
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#![feature(duration_constants)]
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#![feature(exact_size_is_empty)]
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#![feature(extern_types)]
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#![feature(flt2dec)]
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#![feature(fmt_internals)]
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#![feature(float_minimum_maximum)]
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#![feature(future_join)]
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#![feature(generic_assert_internals)]
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#![feature(array_try_from_fn)]
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#![feature(hasher_prefixfree_extras)]
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#![feature(hashmap_internals)]
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#![feature(try_find)]
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#![feature(inline_const)]
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#![feature(is_sorted)]
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#![feature(layout_for_ptr)]
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#![feature(pattern)]
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#![feature(sort_internals)]
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#![feature(slice_take)]
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#![feature(slice_from_ptr_range)]
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#![feature(split_as_slice)]
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#![feature(maybe_uninit_uninit_array)]
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#![feature(maybe_uninit_write_slice)]
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#![feature(maybe_uninit_uninit_array_transpose)]
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#![feature(min_specialization)]
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#![feature(numfmt)]
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#![feature(step_trait)]
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#![feature(str_internals)]
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#![feature(std_internals)]
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#![feature(test)]
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#![feature(trusted_len)]
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#![feature(try_blocks)]
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#![feature(try_trait_v2)]
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#![feature(slice_internals)]
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#![feature(slice_partition_dedup)]
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#![feature(ip)]
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#![feature(ip_in_core)]
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#![feature(iter_advance_by)]
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#![feature(iter_array_chunks)]
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#![feature(iter_collect_into)]
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#![feature(iter_partition_in_place)]
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#![feature(iter_intersperse)]
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#![feature(iter_is_partitioned)]
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#![feature(iter_next_chunk)]
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#![feature(iter_order_by)]
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#![feature(iter_repeat_n)]
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#![feature(iterator_try_collect)]
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#![feature(iterator_try_reduce)]
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#![feature(const_ip)]
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#![feature(const_ipv4)]
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#![feature(const_ipv6)]
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#![feature(const_mut_refs)]
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#![feature(const_pin)]
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#![feature(const_waker)]
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#![feature(never_type)]
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#![feature(unwrap_infallible)]
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#![feature(pointer_byte_offsets)]
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#![feature(pointer_is_aligned)]
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#![feature(portable_simd)]
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#![feature(ptr_metadata)]
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#![feature(once_cell)]
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#![feature(unsized_tuple_coercion)]
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#![feature(const_option)]
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#![feature(const_option_ext)]
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#![feature(const_result)]
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#![feature(integer_atomics)]
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#![feature(int_roundings)]
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#![feature(slice_group_by)]
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#![feature(split_array)]
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#![feature(strict_provenance)]
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#![feature(strict_provenance_atomic_ptr)]
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#![feature(trusted_random_access)]
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#![feature(unsize)]
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#![feature(const_array_from_ref)]
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#![feature(const_slice_from_ref)]
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#![feature(waker_getters)]
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#![feature(slice_flatten)]
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#![feature(provide_any)]
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#![feature(utf8_chunks)]
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#![feature(is_ascii_octdigit)]
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#![feature(get_many_mut)]
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#![deny(unsafe_op_in_unsafe_fn)]
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#![deny(fuzzy_provenance_casts)]
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extern crate test;
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mod alloc;
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mod any;
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mod array;
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mod ascii;
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mod asserting;
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mod atomic;
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mod bool;
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mod cell;
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mod char;
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mod clone;
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mod cmp;
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mod const_ptr;
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mod convert;
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mod fmt;
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mod future;
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mod hash;
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mod intrinsics;
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mod iter;
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mod lazy;
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mod macros;
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mod manually_drop;
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mod mem;
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mod net;
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mod nonzero;
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mod num;
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mod ops;
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mod option;
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mod panic;
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mod pattern;
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mod pin;
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mod pin_macro;
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mod ptr;
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mod result;
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mod simd;
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mod slice;
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mod str;
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mod str_lossy;
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mod task;
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mod time;
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mod tuple;
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mod unicode;
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mod waker;
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/// Copied from `std::test_helpers::test_rng`, see that function for rationale.
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#[track_caller]
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#[allow(dead_code)] // Not used in all configurations.
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pub(crate) fn test_rng() -> rand_xorshift::XorShiftRng {
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use core::hash::{BuildHasher, Hash, Hasher};
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let mut hasher = std::collections::hash_map::RandomState::new().build_hasher();
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core::panic::Location::caller().hash(&mut hasher);
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let hc64 = hasher.finish();
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let seed_vec = hc64.to_le_bytes().into_iter().chain(0u8..8).collect::<Vec<u8>>();
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let seed: [u8; 16] = seed_vec.as_slice().try_into().unwrap();
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rand::SeedableRng::from_seed(seed)
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}
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