Enum wasmtime_wasi::bindings::io::streams::InputStream

pub enum InputStream {
    Host(Box<dyn HostInputStream>),
    File(FileInputStream),
}

An input bytestream.

input-streams are non-blocking to the extent practical on underlying platforms. I/O operations always return promptly; if fewer bytes are promptly available than requested, they return the number of bytes promptly available, which could even be zero. To wait for data to be available, use the subscribe function to obtain a pollable which can be polled for using wasi:io/poll.

Variants

Host(Box<dyn HostInputStream>)

File(FileInputStream)

Trait Implementations

impl Subscribe for InputStream

fn ready<'life0, 'async_trait>( &'life0 mut self ) -> Pin<Box<dyn Future<Output = ()> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

An asynchronous function which resolves when this object’s readiness operation is ready.