Update Rust crate clap to 3.2.1 #21
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This PR contains the following updates:
3.1.18->3.2.1Release Notes
clap-rs/clap
v3.2.1Compare Source
v3.2.0Compare Source
Features
Arg::value_parser/ArgMatches::{get_one,get_many}(#2683, #3732)TypedValueParsers available with an API open for expansionvalue_parser!(T)macro for selecting a parser for a given type (#3732) and open to expansion via theValueParserFactorytrait (#3755)[&str]is implicitly a value parser for possible valuesArgMatchesgetters do not assume required arguments (#2505)ArgMatches::remove_*variants to transfer ownershipArgMatches::try_*variants to avoid panics for developer errors (#3621)get_rawto access the underlyingOsStrsPathBufvalue parsers implyValueHint::AnyPathfor completions (#3732)Arg::action(#3774)ArgAction::StoreValue: existingtakes_value(true)behaviorArgAction::IncOccurrences: existingtakes_value(false)behaviorArgAction::Help: existing--helpbehaviorArgAction::Version: existing--versionbehaviorArgAction::Set: Overwrite existing values (likeArg::multiple_occurrencesmixed withCommand::args_override_self) (#3777)ArgAction::Append: likeArg::multiple_occurrences(#3777)ArgAction::SetTrue: Treat--flagas--flag=true(#3775)Arg::default_value("false")(#3786)Arg::envviaArg::value_parserArgAction::SetFalse: Treat--flagas--flag=false(#3775)Arg::default_value("true")(#3786)Arg::envviaArg::value_parserArgAction::Count: Treat--flag --flag --flagas--flag=1 --flag=2 --flag=3(#3775)Arg::default_value("0")(#3786)Arg::envviaArg::value_parserArg::value_parser/Arg::actionwith either#[clap(value_parser)](#3589, #3742) /#[clap(action)]attributes (#3794)ValueParseris determined byvalue_parser!(#3199, #3496)ArgActionis determine by a hard-coded lookup on the type (#3794)Command::multicallis now stable for busybox-like programs and REPLs (#2861, #3684)ArgMatches::{try_,}contains_idfor checking if there are values for an argument that mirrors the newget_{one,many}APIFixes
parser
ArgMatches::value_sourceandArgMatches::occurrences_offor external subcommands (#3732)Arg::default_missing_values(#3761, #3765)Arg::default_value/Arg::envon value delimiters independent of whether--was used (#3765)requiredand its variants (#3793)Compatibility
MSRV is now 1.56.0 (#3732)
Behavior
requiredand its variants (#3793)Moving (old location deprecated)
clap::{PossibleValue, ValueHint}toclap::builder::{PossibleValue, ValueHint}clap::{Indices, OsValues, ValueSource, Values}toclap::parser::{Indices, OsValues, ValueSource, Values}clap::ArgEnumtoclap::ValueEnum(#3799)Replaced
Arg::allow_invalid_utf8withArg::value_parser(value_parser!(PathBuf))(#3753)Arg::validator/Arg::validator_oswithArg::value_parser(#3753)Arg::validator_regexwith users providing their ownbuilder::TypedValueParser(#3756)Arg::forbid_empty_valueswithbuilder::NonEmptyStringValueParser/builder::PathBufValueParser(#3753)Arg::possible_valueswithArg::value_parser([...]),builder::PossibleValuesParser, orbuilder::EnumValueParser(#3753)Arg::max_occurrenceswitharg.action(ArgAction::Count).value_parser(value_parser!(u8).range(..N))for flags (#3797)Arg::multiple_occurrenceswithArgAction::AppendorArgAction::Countthough positionals will needArg::multiple_values(#3772, #3797)Command::args_override_selfwithArgAction::Set(#2627, #3797)AppSettings::NoAutoVersionwithArgActionorCommand::disable_version_flag(#3800)AppSettings::NoHelpVersionwithArgActionorCommand::disable_help_flag/Command::disable_help_subcommand(#3800)ArgMatches::{value_of, value_of_os, value_of_os_lossy, value_of_t}withArgMatches::{get_one,remove_one}(#3753)ArgMatches::{values_of, values_of_os, values_of_os_lossy, values_of_t}withArgMatches::{get_many,remove_many}(#3753)ArgMatches::is_valid_argwithArgMatches::{try_get_one,try_get_many}(#3753)ArgMatches::occurrences_ofwithArgMatches::value_sourceorArgAction::Count(#3797)ArgMatches::is_presentwithArgMatches::contains_idorArgAction::SetTrue(#3797)ArgAction::StoreValuewithArgAction::SetorArgAction::Append(#3797)ArgAction::IncOccurrenceswithArgAction::SetTrueorArgAction::Count(#3797)#[clap(parse(from_flag))]replaced with#[clap(action = ArgAction::SetTrue)](#3794)#[clap(parse(from_occurrences))]replaced with#[clap(action = ArgAction::Count)]though the field's type must beu8(#3794)#[clap(parse(...))]replaced with#[clap(value_parser)](#3589, #3794)Configuration
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