base-http 0.3.0

Runtime-independent HTTP semantics and bodies for Base
Documentation 
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// Released under the MIT License.
// Copyright, 2026, by Samuel Williams.

use super::{BodyFrame, ReadableBody};
use base_scheduler::{Cancellation, Cancelled};

/// A ready body with no data and a representation length of zero.
#[derive(Clone, Copy, Debug, Default)]
pub struct EmptyBody;

impl ReadableBody for EmptyBody {
    type Data = Vec<u8>;
    type Error = Cancelled;

    fn may_have_trailers(&self) -> bool {
        false
    }

    fn is_ready(&self) -> bool {
        true
    }

    fn is_empty(&self) -> bool {
        true
    }

    fn length(&self) -> Option<u64> {
        Some(0)
    }

    fn close(&mut self, _error: Option<Self::Error>) {}

    async fn read(
        &mut self,
        cancellation: &Cancellation,
    ) -> Result<BodyFrame<Self::Data>, Self::Error> {
        cancellation.check()?;
        Ok(BodyFrame::End)
    }
}