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vec1

v1.12.1 Growing

a std Vec wrapper assuring that it has at least 1 element

MIT OR Apache-2.0 Edition 2021 MSRV 1.71.1
Data structures #vec#min#length#1

Quick Verdict

  • โœ•Not updated for 2+ years
  • โœ“Stable API (1.x for 8+ years)
  • โœ“Massive adoption (1.4K crates depend on it)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
9.4M
Dependents
1.4K
Releases
17
Size
34KB

Deep Insights

๐Ÿ“Š
Stable downloads

845.3K downloads in the last 30 days (28.2K/day). Volume is roughly flat compared to the previous period.

๐Ÿ”—
Widely adopted

1.4K crates depend on vec1. Strong ecosystem adoption means battle-tested code and long-term stability.

โš ๏ธ
Single maintainer risk

vec1 has only 1 owner despite 1.4K dependents. This is a bus-factor concern โ€” consider the implications for long-term support.

โœ…
Stable for 8+ years

The API has been stable (1.x) for over 8 years with 17 releases. This level of maturity means you can depend on it without worrying about breaking changes.

๐Ÿ“
Compact crate

At 33KB, vec1 is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include re_entity_db, re_byte_size, egui_table, re_viewer_context, re_time_panel. When high-quality crates choose vec1, it's a strong quality signal.

Health Breakdown

Maintenance 4/25

Recency, release consistency, active ratio

Quality 22/25

Yanked ratio, deps, size, maturity, features

Community 14/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 15/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
25K/day avg-48%
010K20K30K40K50K4/275/156/26/207/87/25

Top Dependents

Version Adoption

v1.12.1
72%
v1.10.1
17%
v1.8.0
7%
v1.12.0
4%
v1.6.0
0%

Release Timeline

10 releasessince 2020
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2020
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2021
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2022
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2023
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2025
2026
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Feature Flags

default =["std"]

std*smallvec-v1smallvec-v1-writeunstable-nightly-try-from-impl

README

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Maintainers

Dependencies
4
direct dependencies
Dependents
1.4K
crates depend on vec1

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