https://github.com/iaguirre88/parse_string_calculator

Using Erlang parse tools to evaluate a string math expression and calculate its value
https://github.com/iaguirre88/parse_string_calculator

elixir erlang leex parser yecc

Last synced: 12 days ago
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Using Erlang parse tools to evaluate a string math expression and calculate its value

• Host: GitHub
• URL: https://github.com/iaguirre88/parse_string_calculator
• Owner: iaguirre88
• Created: 2019-03-29T01:06:41.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2020-03-11T23:57:41.000Z (almost 5 years ago)
• Last Synced: 2024-11-13T15:44:22.787Z (2 months ago)
• Topics: elixir, erlang, leex, parser, yecc
• Language: Elixir
• Homepage:
• Size: 95.7 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

        
# Calculator

**Slides**: https://iaguirre88.github.io/parse_string_calculator/

Simple toy app to test [yecc](http://erlang.org/doc/man/yecc.html) and

[leex](http://erlang.org/doc/man/leex.html).

It takes a string with a basic math expresion representation and parses it to

get its result. Currently it only supports `+`, `*` and `parentheses`.

## Example inputs

* `"1"`

* `"3+2"`

* `"3*2+1"`

* `"(1)"`

* `"3 * (2 + 1)"`

* `"3 * (2 + 1 + 5 * (3+2))"`