Trellis

A Kotlin implementation of the Specification Pattern

Trellis is an implementation of the Specification Pattern written in Kotlin, and designed for asynchronous evaluation of specifications using Kotlin coroutines and dynamic creation and evaluation.

Supported Platforms/Features

Installation

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 for detailed documentation and usage instructions.

License

Trellis is licensed under the BSD 3-Clause License, see LICENSE.md.

References

• https://www.michael-whelan.net/rules-design-pattern
• https://www.martinfowler.com/apsupp/spec.pdf
• https://en.wikipedia.org/wiki/Specification_pattern