← Library BooleanDeterministic

BoolOrOp

Returns true when either A or B is true.

Inputs

FieldTypeDescription
A*boolFirst condition
B*boolSecond condition

Outputs

FieldTypeDescription
ResultboolTrue when A OR B

Typical Use Cases

  • Either-or routing gate
  • Fallback logic condition
  • OR gate combining two independent checks

Complete Runnable Example

Grants feature access when a user is either a premium subscriber or on an active trial.

main.go
package main

import (
	"context"
	"encoding/json"
	"log"
	"os"
	"time"

	"github.com/akennis/sparsi-go/library"
	_ "github.com/akennis/dagor/operator/builtin"

	"github.com/panjf2000/ants/v2"
	"github.com/akennis/dagor"
	"github.com/akennis/dagor/graph"
)

func main() {
	isPremium := false
	isTrial := true

	library.RegisterConst("premium_val", isPremium)
	library.RegisterConst("trial_val", isTrial)

	g, err := graph.NewBuilder("bool_or_demo").
		Vertex("prem_src").Op("premium_val").
		Output("Result", "premium_wire").

		Vertex("trial_src").Op("trial_val").
		Output("Result", "trial_wire").

		Vertex("or_gate").Op("BoolOrOp").
		Input("A", "premium_wire").
		Input("B", "trial_wire").
		Output("Result", "has_access").

		Build()
	if err != nil {
		log.Fatalf("build: %v", err)
	}

	pool, err := ants.NewPool(4)
	if err != nil {
		log.Fatalf("pool: %v", err)
	}
	defer pool.Release()

	eng, err := dagor.NewEngine(g, pool)
	if err != nil {
		log.Fatalf("engine: %v", err)
	}

	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
	defer cancel()

	if err := eng.Run(ctx); err != nil {
		log.Fatalf("run: %v", err)
	}

	out := map[string]any{
		"is_premium": isPremium,
		"is_trial":   isTrial,
	}
	if raw, ok := eng.GetOutput("has_access"); ok {
		out["has_access"] = *raw.(*bool)
	}

	enc := json.NewEncoder(os.Stdout)
	enc.SetIndent("", "  ")
	enc.Encode(out)
}