[][src]Struct structopt_flags::LogLevelNoDef

pub struct LogLevelNoDef { /* fields omitted */ }

This struct provides the --log and -L cli option, with no default

No default value is provided

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 = "log_level_no_def", about = "An example using the LogLevelNoDef option")]
struct Opt {
    #[structopt(flatten)]
    log_level: structopt_flags::LogLevelNoDef,
}

fn main() {
    let opt = Opt::from_args();
    let filter_level = opt.log_level.get_with_default(LevelFilter::Warn);
    // set log level
}

Trait Implementations

impl GetWithDefault for LogLevelNoDef[src]

type Item = LevelFilter

impl SetLogWithDefault for LogLevelNoDef[src]

impl Clone for LogLevelNoDef[src]

fn clone_from(&mut self, source: &Self)1.0.0[src]

Performs copy-assignment from source. Read more

impl Display for LogLevelNoDef[src]

impl Debug for LogLevelNoDef[src]

impl StructOpt for LogLevelNoDef[src]

fn from_args() -> Self[src]

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
[src]

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
[src]

Gets the struct from any iterator such as a Vec of your making. Read more

Auto Trait Implementations

Blanket Implementations

impl<T> ToOwned for T where
    T: Clone
[src]

type Owned = T

The resulting type after obtaining ownership.

impl<T> From<T> for T[src]

impl<T, U> Into<U> for T where
    U: From<T>, 
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impl<T> ToString for T where
    T: Display + ?Sized
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impl<T, U> TryFrom<U> for T where
    U: Into<T>, 
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type Error = Infallible

The type returned in the event of a conversion error.

impl<T, U> TryInto<U> for T where
    U: TryFrom<T>, 
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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

impl<T> BorrowMut<T> for T where
    T: ?Sized
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impl<T> Borrow<T> for T where
    T: ?Sized
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impl<T> Any for T where
    T: 'static + ?Sized
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