ReasonML
Shares rank 110 of 163 programming languages by recommenders
Developers recommend ReasonML as an OCaml variant with C-style curly-brace syntax and Rust-like feel; critics call it impractical for productive use and cite poor error messages.
Developers recommend ReasonML as an OCaml variant with C-style curly-brace syntax and Rust-like feel; critics call it impractical for productive use and cite poor error messages.
9 people gave an opinion
- recommend it
- 8
- criticize it
- 1
- approval share
- 89%
Recommended in 5 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: not recommended
- August 2026: not recommended
- September 2026: not recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 8 people recommend itNeeds 10 or more, not met.
- 8 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 5 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Curly-brace syntax, familiar to C and Rust users
“There's also ReasonML if you want an OCaml with curly braces like C.”
Comment from 4 Dec 2025 in “Thoughts on Go vs. Rust vs. Zig” “if you want a slightly more Rustic syntax”
Comment from 9 Mar 2026 in “A Grand Vision for Rust”
What people warn about
Each mark is one comment
Impractical for productive use
“I loved Elm or Reason, but they are not realistic nor productive choices”
Comment from 19 Nov 2025 in “Experiment: Making TypeScript immutable-by-default” Poor error messages and developer experience
“I just found the error messages not to correspond to the correct line, and/or be nondescript”
Comment from 4 Nov 2025 in “Pain Points of OCaml” “I've found like OP that the DX is too poor”
Comment from 4 Nov 2025 in “Pain Points of OCaml”
Other programming languages people recommend
The four most recommended other programming languages, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
See all 163 programming languages, rankedWhat people said
All 12 comments that mention it, newest first. Each links to the original comment.
“ReasonML / Melange / Rescript are a wholistic approach to this”
“if you want a slightly more Rustic syntax”
“ReasonML easily fixes that particular issue.”
“it increased the appeal of pattern matching and immutability for me”
“the latter especially feels like Rust with a GC”
“There's also ReasonML if you want an OCaml with curly braces like C.”
“I loved Elm or Reason, but they are not realistic nor productive choices”
“writing typeheads for reasonml is not really that hard”
“Might want to check out ReasonML.”
“released with OCaml 5.4 support and improving bit by bit”
“I just found the error messages not to correspond to the correct line, and/or be nondescript”
“I've found like OP that the DX is too poor”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.