[][src]Struct structopt_flags::HostV4Opt

pub struct HostV4Opt { /* fields omitted */ }

This struct provides the --host and -H cli option to get an IPv4 address

No default is provided

extern crate structopt_flags;
#[macro_use]
extern crate structopt;

use std::net::Ipv4Addr;
use structopt::StructOpt;
use structopt_flags::GetWithDefault; // to access get_with_default

#[derive(Debug, StructOpt)]
#[structopt(name = "ipv4_opt", about = "An example using the HostV4Opt option")]
struct Opt {
    #[structopt(flatten)]
    host_ip: structopt_flags::HostV4Opt,
}

fn main() {
    let opt = Opt::from_args();
    let ipv4 = opt.host_ip.get_with_default(Ipv4Addr::new(127,0,0,1));
}

Trait Implementations

impl GetWithDefault for HostV4Opt[src]

type Item = Ipv4Addr

impl Clone for HostV4Opt[src]

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

Performs copy-assignment from source. Read more

impl Debug for HostV4Opt[src]

impl StructOpt for HostV4Opt[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, 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>, 
[src]

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
[src]

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