mod.rs
45 lines
| 1.0 KiB
| application/rls-services+xml
|
RustLexer
|
r42630 | pub mod files; | ||
pub fn replace_slice<T>(buf: &mut [T], from: &[T], to: &[T]) | ||||
where | ||||
T: Clone + PartialEq, | ||||
{ | ||||
if buf.len() < from.len() || from.len() != to.len() { | ||||
return; | ||||
} | ||||
for i in 0..=buf.len() - from.len() { | ||||
if buf[i..].starts_with(from) { | ||||
buf[i..(i + from.len())].clone_from_slice(to); | ||||
} | ||||
} | ||||
} | ||||
pub trait SliceExt { | ||||
fn trim(&self) -> &Self; | ||||
fn trim_end(&self) -> &Self; | ||||
} | ||||
fn is_not_whitespace(c: &u8) -> bool { | ||||
!(*c as char).is_whitespace() | ||||
} | ||||
impl SliceExt for [u8] { | ||||
fn trim(&self) -> &[u8] { | ||||
if let Some(first) = self.iter().position(is_not_whitespace) { | ||||
if let Some(last) = self.iter().rposition(is_not_whitespace) { | ||||
&self[first..last + 1] | ||||
} else { | ||||
unreachable!(); | ||||
} | ||||
} else { | ||||
&[] | ||||
} | ||||
} | ||||
fn trim_end(&self) -> &[u8] { | ||||
if let Some(last) = self.iter().rposition(is_not_whitespace) { | ||||
&self[..last + 1] | ||||
} else { | ||||
&[] | ||||
} | ||||
} | ||||
} | ||||