# Crystal `crystal`

!!! important "This section is rendered asynchronously by default"

!!! info
    [**Crystal**](https://www.crystal-lang.org) is a general-purpose, object-oriented programming language.

The `crystal` section displays the Crystal version.

This section is displayed only when the current directory:

* Upsearch finds `shard.yaml` file
* Current directory contains any file with `.cr` extension

## Options

| Variable                   |              Default               | Meaning                             |
|:-------------------------- |:----------------------------------:| ----------------------------------- |
| `SPACESHIP_CRYSTAL_SHOW`   |               `true`               | Show section                        |
| `SPACESHIP_CRYSTAL_ASYNC`  |               `true`               | Render section asynchronously       |
| `SPACESHIP_CRYSTAL_PREFIX` | `$SPACESHIP_PROMPT_DEFAULT_PREFIX` | Section's prefix                    |
| `SPACESHIP_CRYSTAL_SUFFIX` | `$SPACESHIP_PROMPT_DEFAULT_SUFFIX` | Section's suffix                    |
| `SPACESHIP_CRYSTAL_SYMBOL` |                `🔮`                 | Symbol displayed before the section |
| `SPACESHIP_CRYSTAL_COLOR`  |               `069`                | Section's color                     |