Struct structopt_flags::VerboseNoDef [−][src]
pub struct VerboseNoDef { /* fields omitted */ }
This struct provides the --verbose
cli option, without a predefined default
Multiple occurrences, will increase the verbosity level
extern crate log; extern crate structopt_flags; #[macro_use] extern crate structopt; use log::LevelFilter; use structopt::StructOpt; use structopt_flags::GetWithDefault; // to access get_log_level #[derive(Debug, StructOpt)] #[structopt( name = "verbose_no_def", about = "An example using verbose flag with no predefined default")] struct Opt { #[structopt(flatten)] verbose: structopt_flags::VerboseNoDef, } fn main() { let opt = Opt::from_args(); let filter_level = opt.verbose.get_with_default(LevelFilter::Off); // set log level }
Trait Implementations
impl StructOpt for VerboseNoDef
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impl StructOpt for VerboseNoDef
fn clap<'a, 'b>() -> App<'a, 'b>
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fn clap<'a, 'b>() -> App<'a, 'b>
Returns the corresponding clap::App
.
fn from_clap(matches: &ArgMatches) -> Self
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fn from_clap(matches: &ArgMatches) -> Self
Creates the struct from clap::ArgMatches
. It cannot fail with a parameter generated by clap
by construction. Read more
fn from_args() -> Self
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fn from_args() -> Self
Gets the struct from the command line arguments. Print the error message and quit the program in case of failure. Read more
fn from_iter<I>(iter: I) -> Self where
I: IntoIterator,
<I as IntoIterator>::Item: Into<OsString>,
<I as IntoIterator>::Item: Clone,
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fn from_iter<I>(iter: I) -> Self where
I: IntoIterator,
<I as IntoIterator>::Item: Into<OsString>,
<I as IntoIterator>::Item: Clone,
Gets the struct from any iterator such as a Vec
of your making. Print the error message and quit the program in case of failure. Read more
fn from_iter_safe<I>(iter: I) -> Result<Self, Error> where
I: IntoIterator,
<I as IntoIterator>::Item: Into<OsString>,
<I as IntoIterator>::Item: Clone,
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fn from_iter_safe<I>(iter: I) -> Result<Self, Error> where
I: IntoIterator,
<I as IntoIterator>::Item: Into<OsString>,
<I as IntoIterator>::Item: Clone,
Gets the struct from any iterator such as a Vec
of your making. Read more
impl Debug for VerboseNoDef
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impl Debug for VerboseNoDef
fn fmt(&self, f: &mut Formatter) -> Result
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fn fmt(&self, f: &mut Formatter) -> Result
Formats the value using the given formatter. Read more
impl Clone for VerboseNoDef
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impl Clone for VerboseNoDef
fn clone(&self) -> VerboseNoDef
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fn clone(&self) -> VerboseNoDef
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
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fn clone_from(&mut self, source: &Self)
Performs copy-assignment from source
. Read more
impl GetWithDefault for VerboseNoDef
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impl GetWithDefault for VerboseNoDef
type Item = LevelFilter
fn get_with_default(&self, default: Self::Item) -> Self::Item
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fn get_with_default(&self, default: Self::Item) -> Self::Item
This function can be used to retrieve the value of the command line option taking in account the default value used as argument Read more
Auto Trait Implementations
impl Send for VerboseNoDef
impl Send for VerboseNoDef
impl Sync for VerboseNoDef
impl Sync for VerboseNoDef