arcker

I build small systems you can read line by line: a proof-carrying language, a memory-first web framework, a CI runner. I write about what's actually inside them.

Joined on Jun 11, 2026

arcker

Sep 27

Too fast is wrong

#testing #security #devops #opensource

4 min read

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arcker

Sep 20

Lithair learns SQL — and lists everything it refuses to promise

#rust #webdev #database #opensource

5 min read

arcker

Sep 13

Sixteen XORs and not a single if

#cryptography #security #compilers #programming

6 min read

arcker

Sep 8

stela — six Lithair releases in five days, because a product demanded them

#rust #webdev #opensource #dogfooding

6 min read

arcker

Aug 16

2864743186439, or the day the compiler answered wrong without flinching

#compilers #debugging #programming #security

7 min read

arcker

Aug 9

cidx v3.0.0 — deleting the things that lied

#devops #go #cicd #opensource

4 min read

arcker

Aug 2

943 bytes that answer HTTP

#compilers #rust #linux #programming

6 min read

arcker

Jul 26

probatum — your tests pass. does it actually boot?

#devops #testing #rust #opensource

5 min read

arcker

Jul 19

cidx v2.1.0 — the most useful output of a release was its seven bug reports

#devops #cicd #opensource #go

3 min read

arcker

Jul 12

The fixed point: a compiler written in its own language just reproduced itself, byte for byte

#compilers #rust #programminglanguages #assembly

3 min read

arcker

Jul 5

lithair 1.0 — I'm here, and yet

#rust #webdev #opensource #career

3 min read

arcker

Jun 21

A compiler written in its own language just emitted a standalone Linux executable

#compilers #rust #assembly #programminglanguages

4 min read

arcker

Jun 14

Every elevator has a load plate. Tests are supposed to kill fear, not feed it.

#devops #testing #performance #rust

5 min read

arcker

Jun 14

A program is a tree — building a Verbose compiler in Verbose

#compilers #programminglanguages #ast #rust

4 min read

arcker

Jun 11

TLS 1.3 without a library — a real browser does the handshake against Verbose machine code

#compilers #cryptography #programming #rust

5 min read

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arcker

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Writing Debut

Too fast is wrong

Want to connect with arcker?

Lithair learns SQL — and lists everything it refuses to promise

Sixteen XORs and not a single if

stela — six Lithair releases in five days, because a product demanded them

2864743186439, or the day the compiler answered wrong without flinching

cidx v3.0.0 — deleting the things that lied

943 bytes that answer HTTP

probatum — your tests pass. does it actually boot?

cidx v2.1.0 — the most useful output of a release was its seven bug reports

The fixed point: a compiler written in its own language just reproduced itself, byte for byte

lithair 1.0 — I'm here, and yet

A compiler written in its own language just emitted a standalone Linux executable

Every elevator has a load plate. Tests are supposed to kill fear, not feed it.

A program is a tree — building a Verbose compiler in Verbose

TLS 1.3 without a library — a real browser does the handshake against Verbose machine code