pub struct Variable<'a, V> { /* private fields */ }
Expand description
A wrapper of Arc.
use roa_core::Variable;
fn consume<V>(var: Variable<V>) {
let value: &V = &var;
}
use roa_core::{Variable, Result};
fn consume<V: AsRef<str>>(var: Variable<V>) -> Result {
let value: i32 = var.parse()?;
Ok(())
}
Consume self and get inner Arc.
A wrapper of str::parse
. Converts T::FromStr::Err
to roa_core::Error
automatically.
Performs copy-assignment from source
. Read more
Formats the value using the given formatter. Read more
The resulting type after dereferencing.
impl<T> Any for T where
T: 'static + ?Sized,
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more
Instruments this type with the provided Span
, returning an
Instrumented
wrapper. Read more
impl<T, U> Into<U> for T where
U: From<T>,
The resulting type after obtaining ownership.
Creates owned data from borrowed data, usually by cloning. Read more
🔬 This is a nightly-only experimental API. (toowned_clone_into
)
Uses borrowed data to replace owned data, usually by cloning. Read more
The type returned in the event of a conversion error.
The type returned in the event of a conversion error.