Cargo.toml

[package]
name = "hex-conservative"
version = "0.3.0"
authors = ["Martin Habovštiak <martin.habovstiak@gmail.com>", "Andrew Poelstra <apoelstra@wpsoftware.net>"]
license = "CC0-1.0"
repository = "https://github.com/rust-bitcoin/hex-conservative"
description = "A hex encoding and decoding crate with a conservative MSRV and dependency policy."
categories = ["encoding"]
keywords = ["encoding", "hex", "hexadecimal"]
readme = "README.md"
edition = "2021"
rust-version = "1.74.0"
exclude = ["api", "tests", "contrib"]

[workspace]
members = ["fuzz"]
exclude = ["benches"]

[features]
default = ["std"]
std = ["alloc"]
alloc = []
# Enables detection of newer rust versions to provide additional features
# Turning it on may pull in dependencies that run build scripts and prolong compile time.
# This feature will do nothing once our MSRV supports version detection natively and will
# be removed using semver trick
newer-rust-version = ["dep:if_rust_version"]

[dependencies]
arrayvec = { version = "0.7.2", default-features = false }
if_rust_version = { version = "1.0.0", optional = true }

[[example]]
name = "hexy"

[[example]]
name = "wrap_array"

[package.metadata.docs.rs]
all-features = true
rustdoc-args = ["--cfg", "docsrs"]

[package.metadata.rbmt.api]
enabled = true
features = [["alloc"]]

[package.metadata.rbmt.test]
exact_features = [
    ["alloc", "newer-rust-version"],
    ["std", "newer-rust-version"],
]

[lints.rust]
unexpected_cfgs = { level = "deny", check-cfg = ['cfg(rust_version, values(">= 1.81.0"))'] }

[workspace.metadata.rbmt.toolchains]
nightly = "nightly-2026-03-27"
stable = "1.93.1"

[lints.clippy]
# Exclude lints we don't think are valuable.
needless_question_mark = "allow" # https://github.com/rust-bitcoin/rust-bitcoin/pull/2134
manual_range_contains = "allow" # More readable than clippy's format.
# Exhaustive list of pedantic clippy lints
assigning_clones = "warn"
bool_to_int_with_if = "warn"
borrow_as_ptr = "warn"
case_sensitive_file_extension_comparisons = "warn"
cast_lossless = "warn"
cast_possible_truncation = "allow" # All casts should include a code comment (except test code).
cast_possible_wrap = "allow" # Same as above re code comment.
cast_precision_loss = "warn"
cast_ptr_alignment = "warn"
cast_sign_loss = "allow" # All casts should include a code comment (except in test code).
checked_conversions = "warn"
cloned_instead_of_copied = "warn"
copy_iterator = "warn"
default_trait_access = "warn"
doc_link_with_quotes = "warn"
doc_markdown = "warn"
empty_enums = "warn"
enum_glob_use = "warn"
expl_impl_clone_on_copy = "warn"
explicit_deref_methods = "warn"
explicit_into_iter_loop = "warn"
explicit_iter_loop = "warn"
filter_map_next = "warn"
flat_map_option = "warn"
float_cmp = "allow" # Bitcoin floats are typically limited to 8 decimal places and we want them exact.
fn_params_excessive_bools = "warn"
from_iter_instead_of_collect = "warn"
if_not_else = "warn"
ignored_unit_patterns = "warn"
implicit_clone = "warn"
implicit_hasher = "warn"
inconsistent_struct_constructor = "warn"
index_refutable_slice = "warn"
inefficient_to_string = "warn"
inline_always = "warn"
into_iter_without_iter = "warn"
invalid_upcast_comparisons = "warn"
items_after_statements = "warn"
iter_filter_is_ok = "warn"
iter_filter_is_some = "warn"
iter_not_returning_iterator = "warn"
iter_without_into_iter = "warn"
large_digit_groups = "warn"
large_futures = "warn"
large_stack_arrays = "warn"
large_types_passed_by_value = "warn"
linkedlist = "warn"
macro_use_imports = "warn"
manual_assert = "warn"
manual_instant_elapsed = "warn"
manual_is_power_of_two = "warn"
manual_is_variant_and = "warn"
manual_let_else = "warn"
manual_ok_or = "warn"
manual_string_new = "warn"
many_single_char_names = "warn"
map_unwrap_or = "warn"
match_bool = "allow" # Adds extra indentation and LOC.
match_same_arms = "allow" # Collapses things that are conceptually unrelated to each other.
match_wild_err_arm = "warn"
match_wildcard_for_single_variants = "warn"
maybe_infinite_iter = "warn"
mismatching_type_param_order = "warn"
missing_errors_doc = "warn"
missing_fields_in_debug = "warn"
missing_panics_doc = "warn"
must_use_candidate = "allow" # Useful for audit but many false positives.
mut_mut = "warn"
naive_bytecount = "warn"
needless_bitwise_bool = "warn"
needless_continue = "warn"
needless_for_each = "warn"
needless_pass_by_value = "warn"
needless_raw_string_hashes = "warn"
no_effect_underscore_binding = "warn"
no_mangle_with_rust_abi = "warn"
option_as_ref_cloned = "warn"
option_option = "warn"
ptr_as_ptr = "warn"
ptr_cast_constness = "warn"
pub_underscore_fields = "warn"
range_minus_one = "warn"
range_plus_one = "warn"
redundant_closure_for_method_calls = "warn"
redundant_else = "warn"
ref_as_ptr = "warn"
ref_binding_to_reference = "warn"
ref_option = "warn"
ref_option_ref = "warn"
return_self_not_must_use = "warn"
same_functions_in_if_condition = "warn"
semicolon_if_nothing_returned = "warn"
should_panic_without_expect = "warn"
similar_names = "allow" # Too many (subjectively) false positives.
single_char_pattern = "warn"
single_match_else = "warn"
stable_sort_primitive = "warn"
str_split_at_newline = "warn"
string_add_assign = "warn"
struct_excessive_bools = "warn"
struct_field_names = "warn"
too_many_lines = "warn"
transmute_ptr_to_ptr = "warn"
trivially_copy_pass_by_ref = "warn"
unchecked_time_subtraction = "warn"
unicode_not_nfc = "warn"
uninlined_format_args = "allow" # This is a subjective style choice.
unnecessary_box_returns = "warn"
unnecessary_join = "warn"
unnecessary_literal_bound = "warn"
unnecessary_wraps = "warn"
unnested_or_patterns = "warn"
unreadable_literal = "warn"
unsafe_derive_deserialize = "warn"
unused_async = "warn"
unused_self = "warn"
used_underscore_binding = "warn"
used_underscore_items = "warn"
verbose_bit_mask = "warn"
wildcard_imports = "warn"
zero_sized_map_values = "warn"