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Add install step #58

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8 changes: 8 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,14 @@ Ask your questions to the authors on [Lurk Lab Zulip](https://zulip.yatima.io/#n

# How to use it?

## Install

Before you use the library, it's necessary to install it. To do this, add Megaparsec to your `lakefile.lean`:

```lean
require Megaparsec from git "https://github.com/lurk-lab/Megaparsec.lean.git"
```

## Make your parser

Let's write a parser that bites a digit off a string, but only if it's padded to the right with a space or a pipe symbol at the end of line or input:
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