pub struct Span {
pub beg: usize,
pub len: usize,
}Fields§
§beg: usize§len: usizeImplementations§
Trait Implementations§
source§impl Ord for Span
impl Ord for Span
source§impl PartialEq<Span> for Span
impl PartialEq<Span> for Span
source§impl PartialOrd<Span> for Span
impl PartialOrd<Span> for Span
1.0.0 · source§fn le(&self, other: &Rhs) -> bool
fn le(&self, other: &Rhs) -> bool
This method tests less than or equal to (for
self and other) and is used by the <=
operator. Read moreimpl Copy for Span
impl Eq for Span
impl StructuralEq for Span
impl StructuralPartialEq for Span
Auto Trait Implementations§
impl RefUnwindSafe for Span
impl Send for Span
impl Sync for Span
impl Unpin for Span
impl UnwindSafe for Span
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<'a, C, T> DynamicCreateCtorThenHelper<'a, C> for Twhere
C: Context<'a> + Match<C>,
impl<'a, C, T> DynamicCreateCtorThenHelper<'a, C> for Twhere C: Context<'a> + Match<C>,
source§fn dyn_then_ctor<F>(self, func: F) -> DynamicCreateCtorThen<C, T, F>
fn dyn_then_ctor<F>(self, func: F) -> DynamicCreateCtorThen<C, T, F>
Construct a new regex with Ctor implementation based on previous result.
Example
let num = u8::is_ascii_digit
.repeat_one()
.map(|v: &[u8]| String::from_utf8(v.to_vec()).map_err(|_| Error::Uid(0)))
.map(map::from_str::<usize>());
let num = num.clone().sep_once(b",", num);
let re = num.dyn_then_ctor(|a: &(usize, usize)| {
// leave the a's type empty cause rustc reject compile
Ok(b'+'
.repeat_range(a.0..a.0 + 1)
.then(b'-'.repeat_range(a.1..a.1 + 1)))
});
assert_eq!(
BytesCtx::new(b"3,0+++").ctor(&re)?,
((3, 0), ([43, 43, 43].as_slice(), [].as_slice()))
);
assert_eq!(
BytesCtx::new(b"2,1++-").ctor(&re)?,
((2, 1), ([43, 43].as_slice(), [45].as_slice()))
);
assert_eq!(
BytesCtx::new(b"0,3---").ctor(&re)?,
((0, 3), ([].as_slice(), [45, 45, 45].as_slice()))
);
Ok(())