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scryer-prolog

v0.10.0 Growing

A modern Prolog implementation written mostly in Rust.

BSD-3-Clause Edition 2021 MSRV 1.85
Command line utilities #prolog#prolog-interpreter#prolog-system

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • !Heavy dependency tree (74 direct deps)

Security

Checking security advisories...
Downloads
183.7K
Dependents
11
Releases
128
Size
2.2MB

Deep Insights

๐Ÿ“‰
Download decline

907 downloads in the last 30 days, down 23% from the previous period. May indicate migration to alternatives.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 7+ years old, scryer-prolog hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“ฆ
Heavy dependency tree

74 direct dependencies. Consider the impact on compile times and supply chain complexity.

๐Ÿ“
Large crate size

2.2MB is relatively large. May impact download and compile times.

๐ŸŒŸ
Used by top crates

Notable dependents include ad4m-executor, susie, foras. When high-quality crates choose scryer-prolog, it's a strong quality signal.

Health Breakdown

Maintenance 11/25

Recency, release consistency, active ratio

Quality 11/25

Yanked ratio, deps, size, maturity, features

Community 8/20

Reverse deps, ownership, ecosystem

Popularity 6/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
32/day avg+6%
05010015020025012/291/162/32/213/113/28

Top Dependents

Most downloaded crates that depend on scryer-prolog

Version Adoption

v0.9.4
42%
v0.10.0
20%
v0.8.127
18%
v0.8.115
10%
v0.9.1
9%

Release Timeline

128 releasessince 2019
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2019
113
2020
10
2021
2022
1
2023
2
2024
1
2025
1
2026
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Feature Flags

default =["ffi", "repl", "hostname", "tls", "http", "crypto-full"]

ffi*tls*http*repl*hostname*crypto-full*

README

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Maintainers

Dependencies
74
direct dependencies
Dependents
11
crates depend on scryer-prolog

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