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Show HN: Marser, a grammar-first parser combinator library for Rust

https://github.com/ArneCode/marser
2•ArneCode•1h ago
Hello everyone!

I am the author of marser, a parser-combinator library in rust.

I have tried outlining the reasons for writing this library in this blog post: https://blog.arnedebo.com/posts/a-grammar-first-approach-to-...

The main aim of the library is to make parsers readable and understandable by enabling users to write code that resembles formal grammars / ebnf (more on that in the blog post). It also has additional features like error recovery, custom error diagnostics and a TUI for debugging the parsers.

This is my first library, so I would really appreciate some feedback on design decisions / usability etc.

Disclaimer: I have used AI for parts of the documentation, for some of the macro code and things like the TUI viewer but the core parsing code has been written by me.

Close encounters of a deferred kind in Spielberg's conspiracy spectacular

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1•wslh•53s ago•0 comments

Show HN: FamilyJar – privacy-first budgeting app for couple

https://familyjar.app/
1•rafalgawlik•56s ago•0 comments

Flights: Agent-Native Ingest in Motherduck

https://motherduck.com/blog/flights-agent-native-ingest/
1•gglanzani•1m ago•0 comments

A €0.01 bank transfer could compromise a banking AI agent

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2•tvissers•4m ago•0 comments

Complete Guide to Signal's Encryption, Metadata Protection, and Privacy Features

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Show HN: One-command zsh environment setup

https://github.com/PeterGabaldon/LinuxEnv
1•pgj11•5m ago•0 comments

Researchers trigger sleep's restorative effect in parts of the awake brain

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1•gmays•7m ago•0 comments

Claude Fable 5 Free Through June 22 on Pro, Max, Team, and Enterprise Plans

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2•chiply•8m ago•0 comments

China crackdown brings drone users down to earth

https://www.ft.com/content/0294bfda-fe85-495a-b664-9f015b3e11cd
2•bookofjoe•8m ago•1 comments

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https://qursor.xyz/
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In-browser AI image detection

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ICE denies having a protester database. A letter to Congress sheds more light

https://www.npr.org/2026/06/10/nx-s1-5843159/ice-protester-database-dhs
1•Jimmc414•8m ago•0 comments

JEP 401: Value Classes and Objects (Preview) JDK 28 July Integration

https://mail.openjdk.org/archives/list/jdk-dev@openjdk.org/message/AIA3O3LHFZ6T7TIPH7KZT4WS4B6U72U5/
2•Tomte•9m ago•0 comments

what if mario had a gun?

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Okular – The Universal Document Viewer

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Show HN: I generated 235 system docs in a day using GPT-5.5

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DCR Core Framework: A Core Library for Building Django Admin Tools

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World-first: therapy to make cells young again trialled in a person

https://www.nature.com/articles/d41586-026-01836-7
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Bumble bees show spontaneous problem-solving, challenging big-brain assumptions

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https://locaible.com/cursor
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Secure On-Premise Deployment of Open-Weights Large Language Models in Radiology

https://arxiv.org/abs/2604.22768
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Craig Federighi Explains Why Apple Pivoted to a Siri Chatbot App

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1•tosh•20m ago•0 comments

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Collective of economists considers 'growth' a doomed strategy

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5•jmngomes•21m ago•1 comments

macOS 27 Golden Gate Is the Last to Support Intel Apps via Rosetta 2

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1•tosh•21m ago•0 comments

LinkedIn wants to own B2B creator discovery with new creator marketplace

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Oh Good, Screwworms Are Back

https://www.marginallycompelling.com/p/oh-good-screwworms-are-back
2•timr•22m ago•0 comments

Quantum error correction with the toric code on neutral atoms

https://arxiv.org/abs/2606.04079
2•nryoo•22m ago•1 comments

Show HN: GripeFind – find product pain points without Reddit API

https://gripefind.com
1•zeph_wheeler•23m ago•0 comments