44 lines
832 B
Markdown
44 lines
832 B
Markdown
# Pantograph
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An interaction system for Lean 4.
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## Installation
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Install `elan` and `lean4`. Then, execute
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``` sh
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lake build
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```
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In order to use `mathlib`, its binary must also be built
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``` sh
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lake build Qq
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lake build aesop
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lake build std
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lake build mathlib
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```
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## Usage
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The binary must be run inside a `lake env` environment.
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Example: (~5k symbols)
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```
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$ lake env build/bin/Pantograph
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{"cmd": "create", "payload": {"imports": ["Init"]}}
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{"cmd": "catalog", "payload": {"id": 0}}
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```
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Example with `mathlib` (~90k symbols)
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```
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$ lake env build/bin/Pantograph
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{"cmd": "create", "payload": {"imports": ["Mathlib.Analysis.Seminorm"]}}
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{"cmd": "catalog", "payload": {"id": 0}}
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```
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## Troubleshooting
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If lean encounters stack overflow problems when printing catalog, execute this before running lean:
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```sh
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ulimit -s unlimited
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```
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