Function encode

wasm-pdk/src/lib.rs:266–286

Encode a primitive into a handle.

(v: Value)

/// Encode a primitive into a handle.
pub fn encode(v: Value) -> Result<Handle> {
    let raw = match v {
        Value::None => unsafe { edge_encode(tag::NONE, core::ptr::null(), 0) },
        Value::Bool(b) => {
            let buf = [if b { 1u8 } else { 0u8 }];
            unsafe { edge_encode(tag::BOOL, buf.as_ptr(), 1) }
        }
        Value::Int(i) => {
            let buf = i.to_le_bytes();
            unsafe { edge_encode(tag::INT, buf.as_ptr(), 16) }
        }
        Value::Float(f) => {
            let buf = f.to_le_bytes();
            unsafe { edge_encode(tag::FLOAT, buf.as_ptr(), 8) }
        }
        Value::Bytes(b) => unsafe { edge_encode(tag::BYTES, b.as_ptr(), b.len() as u32) },
        Value::Raw(b) => unsafe { edge_encode(tag::RAW, b.as_ptr(), b.len() as u32) },
    };
    if raw == 0 { Err(Error::Runtime(alloc::string::String::from("encode failed"))) }
    else { Ok(Handle::from_raw(raw)) }
}

/// Typed primitive value; composites (list, dict, set, instances) go through `Handle::call`.
#[derive(Debug, Clone)]