Function say_hello_to

tests/strings/src/lib.rs:25–43

(
    name_ptr: i32,
    name_len: i32,
    response: &mut Owned<WasmSlice>,
)

/// Passed in WasmSlice is owned by caller
#[no_mangle]
pub unsafe extern "C" fn say_hello_to(
    name_ptr: i32,
    name_len: i32,
    response: &mut Owned<WasmSlice>,
) {
    let name = WasmSlice::borrowed(name_ptr, &name_len);
    let name = name.from_utf8_lossy();

    let hello_to = format!("Hello, {}!", name);
    println!("{}", hello_to);
    let hello_to: Owned<WasmSlice> = hello_to.into(); // make this a heap allocated str (this makes capacity == len)

    assert_eq!(
        hello_to.ptr() as *mut u8,
        hello_to.as_bytes() as *const [u8] as *mut u8
    );

    response.replace(hello_to);
}

/// # Safety
/// Passed in WasmSlice is owned by caller