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add instructions for viewing contents of .tasty files to Tasty Overview #2362

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Mar 31, 2022
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add instructions for viewing contents of .tasty files to Tasty Overview #2362

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7 changes: 7 additions & 0 deletions scala3/guides/tasty-overview.md
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Expand Up @@ -52,6 +52,13 @@ $ scalac | Hello.scala | -> | Hello.tasty | -> | Hello.class |
information)
```

You can view the contents of a _.tasty_ file in a human-readable form by running the compiler on it with the `-print-tasty` flag.
You can also view the contents decompiled in a form similar to Scala source code using the `-decompile` flag.
```bash
$ scalac -print-tasty hello.tasty
$ scalac -decompile hello.tasty
```

### The issue with _.class_ files

Because of issues such as [type erasure][erasure], _.class_ files are actually an incomplete representation of your code.
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