Function Example_cel_Comparison

examples/example_cel_operators_test.go:63–96

Example_cel_Comparison showcases equality and ordering comparison operators as documented in https://celbyexample.com/comparison/

()

// Example_cel_Comparison showcases equality and ordering comparison operators
// as documented in https://celbyexample.com/comparison/
func Example_cel_Comparison() {
	exprs := []string{
		`10 == 10`,
		`10 != 20`,
		`"hello" == "hello"`,
		`"apple" < "banana"`,
		`5 < 10`,
		`10 <= 10`,
		`15 > 10`,
		`10 >= 10`,
	}

	for _, expr := range exprs {
		prg, err := cel.Compile(expr)
		if err != nil {
			log.Fatalf("cel.Compile() error for %q: %v", expr, err)
		}
		out, _, err := prg.Eval(cel.NoVars())
		if err != nil {
			log.Fatalf("prg.Eval() error for %q: %v", expr, err)
		}
		fmt.Printf("%s -> %v\n", expr, out)
	}

	// Output:
	// 10 == 10 -> true
	// 10 != 20 -> true
	// "hello" == "hello" -> true
	// "apple" < "banana" -> true
	// 5 < 10 -> true
	// 10 <= 10 -> true
	// 15 > 10 -> true
	// 10 >= 10 -> true
}

// Example_cel_Null showcases null literal and null equality checks
// as documented in https://celbyexample.com/null/