Method iter

wasm-pdk/src/lib.rs:598–605

`iter(recv)`; materialises the receiver as a List iterator handle.

(&self)

    /// `iter(recv)`; materialises the receiver as a List iterator handle.
    pub fn iter(&self) -> Result<Handle> {
        let mut out: u32 = 0;
        let r = unsafe {
            edge_op(op::ITER, self.raw, core::ptr::null(), 0, core::ptr::null(), 0, &mut out as *mut u32)
        };
        if r != 0 { return Err(last_error()); }
        Ok(Handle::from_raw(out))
    }

    /// `next(recv)`; returns `Ok(None)` at end-of-iteration, propagates other errors.
    pub fn iter_next(&self) -> Result<Option<Handle>> {