Method new_list

wasm-pdk/src/lib.rs:559–566

Returns a fresh empty list handle owned by the guest.

()

    /// Returns a fresh empty list handle owned by the guest.
    pub fn new_list() -> Result<Handle> {
        let mut out: u32 = 0;
        let r = unsafe {
            edge_op(op::NEW_LIST, 0, 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))
    }

    /// Construct a tuple from item handles in one host call.
    pub fn new_tuple(items: &[u32]) -> Result<Handle> { Self::new_composite(op::NEW_TUPLE, items) }