`.bashrc`
```bash
export NEKO_VERSION="2.2.0"
export HAXE_VERSION="4.2.5"

export NEKO_SDK="$HOME/sdk/neko/$NEKO_VERSION"
export HAXE_SDK="$HOME/sdk/haxe/$HAXE_VERSION"

alias haxe-activate=". $NEKO_SDK/activate && . $HAXE_SDK/activate"
```