Struct structopt_flags::HostOpt [−][src]
pub struct HostOpt { /* fields omitted */ }
This struct provides the --host
and -H
cli option to get ageneric IP address
No default is provided
extern crate structopt_flags; #[macro_use] extern crate structopt; use std::net::{IpAddr,Ipv6Addr}; use structopt::StructOpt; use structopt_flags::GetWithDefault; // to access get_ipv4_addr #[derive(Debug, StructOpt)] #[structopt(name = "ip_opt", about = "An example using the HostOpt option")] struct Opt { #[structopt(flatten)] host_ip: structopt_flags::HostOpt, } fn main() { let opt = Opt::from_args(); let ip = opt.host_ip.get_with_default(IpAddr::V6(Ipv6Addr::new(0,0,0,0,0,0,0,1))); }
Trait Implementations
impl StructOpt for HostOpt
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impl StructOpt for HostOpt
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 HostOpt
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impl Debug for HostOpt
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 HostOpt
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impl Clone for HostOpt
fn clone(&self) -> HostOpt
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fn clone(&self) -> HostOpt
Returns a copy of the value. Read more
fn clone_from(&mut self, source: &Self)
1.0.0[src]
fn clone_from(&mut self, source: &Self)
1.0.0
[src]Performs copy-assignment from source
. Read more
impl GetWithDefault for HostOpt
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impl GetWithDefault for HostOpt