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Carp – A statically typed Lisp, without a GC, for real-time applications

github.com Software & code Software projects Computer science Class of 2021-10 Hall of Fame
Screenshot of github.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 7 calendar years, with breakout response in 2 of them.

submissions
10
submitters
7
observed span
2016–2024
peak thread · 134 comments
259 pts
latest 20+ return · 2023-01-27
20 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

For the history buffs: Pre-Scheme: A Scheme Dialect for Systems Programming Richard A. Kelsey, 1997 Abstract Pre-Scheme is a statically typed dialect of Scheme that gives the programmer the eciency and low-level machine access of C while retaining many of the desirable features of Scheme. The PreScheme compiler makes use of type inference, partial evaluation and Scheme and Lisp compiler technology to compile the problematic features of Scheme, such as closures, into C code without signi cant run-time overhead. Use…

a recent discussion, https://news.ycombinator.com/item?id=15778530

Common Lisp is also a statically typed Lisp. It also allows programmers to advise the compiler on optimization: http://www.lispworks.com/documentation/lw50/CLHS/Body/d_opti... Using types in Common Lisp: https://lispcookbook.github.io/cl-cookbook/type.html

msla·20-point thread·

The last commit was on Feb 28, 2023. Why are we posting about a github project that is obviously dormant?

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
2

100+ points or 50+ comments

Total points
500

reference only — not used in Hall rules or ranking

Total comments
180

reference only — not used in Hall rules or ranking

Every submission