[−][src]Struct structopt_flags::HostV4Opt
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
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impl Clone for HostV4Opt
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fn clone(&self) -> HostV4Opt
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Debug for HostV4Opt
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impl StructOpt for HostV4Opt
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fn clap<'a, 'b>() -> App<'a, 'b>
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fn from_clap(matches: &ArgMatches) -> Self
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fn from_args() -> Self
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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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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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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
Auto Trait Implementations
impl Sync for HostV4Opt
impl Unpin for HostV4Opt
impl Send for HostV4Opt
impl UnwindSafe for HostV4Opt
impl RefUnwindSafe for HostV4Opt
Blanket Implementations
impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> From<T> for T
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impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,