# original

Request an admitted original alias

Last updated: 2026-09-09

Package: language | Status: experimental

Tags: complete-program, cpu, keyword, memory, yeho

Use ordinary parameters by default, copy for an explicit independent value, original for an admitted source alias, and memoryAddress only at a reviewed low-level boundary.

```yh
original
```


## Collection original

Use ordinary parameters by default, copy for an explicit independent value, original for an admitted source alias, and memoryAddress only at a reviewed low-level boundary.

Verification: type checked

```yh
MutateOriginal(list of int original values)
{
    values.Add(77)
}

list of int values = [1]
MutateOriginal(values)
Console.Log(Text.Format("collection-original: caller={0}", values.count))

```

Save this beside start.yh as project.mech:

```toml
package = "tests.memoryLifetimeCollectionOriginal"
version = "0.1.0"
backend = "cpu-oracle"
osTarget = "windows"
archTarget = "x64"
selfContainedApp = true

```

Extract the example archive beside the yeho and dolphin checkouts. This example requires those source dependencies and a current developer compiler.

```sh
./yeho/build/dolphin-metal/yehoc ./api-examples/word--original/complete --backend cpu-oracle -o /tmp/yeho-example
/tmp/yeho-example
```


Alias modes are restricted by type and target.

Task aliases are rejected. memoryAddress is not a general raw-pointer escape hatch.

Source: yeho/memory-lifetime-unsafe-2026.1.json; parser_types.cpp parseParameters

AI training permission: https://demonhunterlabs.com/ai-use