frins

KO | EN

gitlite — search

#javascript #python #hacktoberfest #react #llm #machine-learning #deep-learning #linux #docker #macos #nodejs #kubernetes #awesome-list #openai

(★ 15)

A practical unit-of-measure calculator DSL for Scala

frins 최신버젼 다운로드

최종 버전 다운로드 (.zip)

// repository documentation

Was this content helpful?

★ 0 (0 ratings)

# Frins

Frins is a practical unit-of-measure calculator DSL for Scala.

Key features;

* Tracks units of measure through all calculations allowing you to mix units of measure transparently
* Comes with a **huge** database of units and conversion factors
* Inspired by the [Frink project](http://futureboy.us/frinkdocs/) and [Frinj](https://github.com/martintrojer/frinj)
* Tries to combine Frink's fluent calculation style with idiomatic Scala

## Artifacts

Add the following lines to your build.sbt

```
resolvers += "Sonatype snapshots" at "http://oss.sonatype.org/content/repositories/snapshots/"

libraryDependencies += "io.github.martintrojer" % "frins_2.10" % "0.1-SNAPSHOT"
```

## Usage

Turn your sbt console into an (even more) powerful calculator;

```scala
$ sbt console
scala> import frins._
scala> initDatabases
```

You are now ready to go! Frins keeps it's values in instances of the [Number](https://github.com/martintrojer/frins/blob/master/src/main/scala/frins/Number.scala) class, which contains a Double value and a Map of Units. Once you have a Number object you can use it in calculations as you would normally use Doubles.

There are convenience Frins Number builders using the form `N(value, 'unit, 'unit, ...)` (value can be omitted) and implicits conversions from other number types and scala symbols (denoting the unit) to Frins Numbers.

```scala
scala> 'teaspoon * 'water * ('c ** 2)
res0: frins.Number[Double] = 4.429893807970541E14 m^2 kg s^-2 [energy]
```

That's the energy contained in one teaspoon of water (using `E=mc^2`). Wow, big number, how much is that "in real money"?

```scala
scala> res0 to 'gallons * 'gasoline
res1: frins.NumberT = 3164209.8628361006  [dimensionless]
```

There you have it, the energy in one teaspoon of water (according to Einstein) is equivalent to burning 3 million (!) gallons of gasoline.

For more examples and explanations of the Number builders (and more!) see the example calculations below.

## Examples

* See [example calculations](https://github.com/martintrojer/frins/blob/master/src/main/scala/frins/ExampleCalculations.scala) for ideas (and some laughs)...

* [Video of a Frinj talk](http://skillsmatter.com/podcast/home/frinj-having-fun-with-units-3861) (Frinj is Frins' sibling project)

Finally, check the [wiki](https://github.com/martintrojer/frins/wiki) for more information.

## License

Distributed under the Eclipse Public License.

frins

frins 최신버젼 다운로드

오늘의 추천 프로젝트

Was this content helpful?

Recent Feedback

frins

frins 최신버젼 다운로드

오늘의 추천 프로젝트

Was this content helpful?

Recent Feedback

Download README