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tailcall

v2.3.0 Stable

Stack-safe tail calls on stable Rust

MIT OR Apache-2.0 Edition 2021
AlgorithmsNo standard library #recursion#tail#become#tailcall

Quick Verdict

  • โœ“Actively maintained (updated 32d ago)
  • โœ“Stable API (2.x for 6+ years)
  • โœ“Tiny footprint (11KB, 1 deps)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

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Downloads
219.0K
Dependents
45
Releases
18
Size
11KB

Deep Insights

๐Ÿ“‰
Download decline

9.8K downloads in the last 30 days, down 20% from the previous period. May indicate migration to alternatives.

โœ…
Stable for 6+ years

The API has been stable (1.x) for over 6 years with 18 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿชถ
Minimal dependencies

Only 1 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 11KB, tailcall is lightweight. Small crate size correlates with focused, well-scoped functionality.

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Notable yanked versions

22% of releases have been yanked. Check version history before pinning.

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Used by top crates

Notable dependents include timer_core, fmtt, sfw-tools, tagid, xplane. When high-quality crates choose tailcall, it's a strong quality signal.

Health Breakdown

Maintenance 14/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 11/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 13/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
400/day avg-40%
02004006008002/263/164/34/215/95/26

Top Dependents

Version Adoption

v2.3.0
53%
v2.0.4
17%
v2.0.1
11%
v2.2.0
10%
v2.2.1
8%

Release Timeline

10 releases2 yankedsince 2026
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2026
10
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Feature Flags

at-least-inline-captures-32at-least-inline-captures-48

README

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Maintainers

Dependencies
1
direct dependencies
Dependents
45
crates depend on tailcall

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