Method new_composite

wasm-pdk/src/lib.rs:578–585

Shared constructor: passes item handles as argv to a NEW_* op.

(op: u32, items: &[u32])

    // Shared constructor: passes item handles as argv to a NEW_* op.
    fn new_composite(op: u32, items: &[u32]) -> Result<Handle> {
        let mut out: u32 = 0;
        let r = unsafe {
            edge_op(op, 0, core::ptr::null(), 0, items.as_ptr(), items.len() as u32, &mut out as *mut u32)
        };
        if r != 0 { return Err(last_error()); }
        Ok(Handle::from_raw(out))
    }

    /// `type(recv).__name__`; returns a fresh str handle naming the runtime type.
    pub fn type_of(&self) -> Result<Handle> {