Quick Start​

Create a new project declaring the following dependency in maven:

<dependency>
  <groupId>dev.slop</groupId>
  <artifactId>slop-core</artifactId>
  <version>1.37</version>
</dependency>

or gradle:

implementation 'dev.slop:slop-core:1.37'

Add a new Java class with the following:

public static void main(String[] args) {
    int result = SLOPProcessor.processStatic('(1 + 1) * 4').getValue(Integer.class);
    System.out.println("Result: " + result);
}

Run the application:

Result: 8

Alternatively for something a bit more ambitious:

public static void main(String[] args) {
    List<Integer> result = SLOPProcessor.processStatic(
            "[a = 0,b = 1] + repeat(i++,0,<10) result = a + b; a = b; b = result;"
        ).getValue(List.class);
    System.out.println(String.format("Result: [%s]",
        result.stream().map(Object::toString).collect(Collectors.joining(", "))));
}

This will print the fibonacci sequence up to 12 places:

Result: [0, 1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89]

...and that's it! If you'd like to see a detailed breakdown of this expression, please look here.

These are a couple of simple examples to get you started, but please take a look at the documentation section to discover more of SLOP's features, sample projects and even how to extend it yourself. If however you're new to expression languages or have a nagging question running through your head, please check out the why? page.