https://github.com/copper-leaf/trellis

A Kotlin implementation of the Specification Pattern
https://github.com/copper-leaf/trellis

Last synced: about 1 year ago
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A Kotlin implementation of the Specification Pattern

• Host: GitHub
• URL: https://github.com/copper-leaf/trellis
• Owner: copper-leaf
• License: bsd-3-clause
• Created: 2018-08-08T01:50:48.000Z (almost 8 years ago)
• Default Branch: main
• Last Pushed: 2022-10-19T18:46:07.000Z (over 3 years ago)
• Last Synced: 2025-04-11T21:21:43.637Z (about 1 year ago)
• Language: Kotlin
• Homepage: https://copper-leaf.github.io/trellis/
• Size: 771 KB
• Stars: 5
• Watchers: 1
• Forks: 2
• Open Issues: 1
• Metadata Files:
  • Readme: README.md
  • Changelog: CHANGELOG.md
  • License: LICENSE.md

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README

          
# Trellis

> A Kotlin implementation of the [Specification Pattern](https://en.wikipedia.org/wiki/Specification_pattern)

![GitHub release (latest by date)](https://img.shields.io/github/v/release/copper-leaf/trellis)

![Maven Central](https://img.shields.io/maven-central/v/io.github.copper-leaf/trellis-core)

![Kotlin Version](https://img.shields.io/badge/Kotlin-1.7.20-orange)

Trellis is an implementation of the [Specification Pattern](https://en.wikipedia.org/wiki/Specification_pattern)

written in Kotlin, and designed for asynchronous evaluation of specifications using Kotlin coroutines and dynamic 

creation and evaluation.

# Supported Platforms/Features

| Platform |

| -------- |

| Android  |

| JVM      |

| iOS      |

| JS       |

# Installation

```kotlin

repositories {

    mavenCentral()

}

// for plain JVM or Android projects

dependencies {

    implementation("io.github.copper-leaf:trellis-core:{{site.version}}")

    implementation("io.github.copper-leaf:trellis-dsl:{{site.version}}")

}

// for multiplatform projects

kotlin {

    sourceSets {

        val commonMain by getting {

            dependencies {

                implementation("io.github.copper-leaf:trellis-core:{{site.version}}")

                implementation("io.github.copper-leaf:trellis-dsl:{{site.version}}")

            }

        }

    }

}

```

# Documentation

See the [website](https://copper-leaf.github.io/trellis/) for detailed documentation and usage instructions.

# License

Trellis is licensed under the BSD 3-Clause License, see [LICENSE.md](https://github.com/copper-leaf/trellis/tree/main/LICENSE.md).

# References

- [https://www.michael-whelan.net/rules-design-pattern](https://www.michael-whelan.net/rules-design-pattern)

- [https://www.martinfowler.com/apsupp/spec.pdf](https://www.martinfowler.com/apsupp/spec.pdf)

- [https://en.wikipedia.org/wiki/Specification_pattern](https://en.wikipedia.org/wiki/Specification_pattern)