pub struct FixedSliceVec<'a, T> {
buf: &'a mut [T],
len: usize,
}
impl<'a, T> FixedSliceVec<'a, T> {
pub fn new(buf: &'a mut [T]) -> Self {
Self { buf, len: 0 }
}
pub fn push(&mut self, value: T) -> Result<(), T> {
if self.len >= self.buf.len() {
return Err(value);
}
self.buf[self.len] = value;
self.len += 1;
Ok(())
}
pub fn as_slice(&self) -> &[T] {
&self.buf[..self.len]
}
pub const fn len(&self) -> usize {
self.len
}
pub const fn is_empty(&self) -> bool {
self.len == 0
}
pub fn is_full(&self) -> bool {
self.len >= self.buf.len()
}
}