simple_demo.go

// simple_demo.go - Basic demonstration of runtime/secret.Enabled()
//
// This demo shows the fundamental API of the runtime/secret package by
// demonstrating how secret.Enabled() returns different values inside
// and outside of secret.Do().

package main

import (
	"fmt"
	"runtime/secret"
)

func main() {
	fmt.Println("=== Basic secret.Enabled() Demo ===")
	fmt.Println()

	// Outside secret.Do(), Enabled() returns false
	fmt.Printf("Outside secret.Do(): secret.Enabled() = %v\n", secret.Enabled())

	// Inside secret.Do(), Enabled() returns true
	// After secret.Do() completes, all temporary storage (registers, stack, heap)
	// used during execution is automatically erased
	secret.Do(func() {
		fmt.Printf("Inside secret.Do():  secret.Enabled() = %v\n", secret.Enabled())
	})

	// After exiting secret.Do(), Enabled() returns false again
	fmt.Printf("After secret.Do():   secret.Enabled() = %v\n", secret.Enabled())

	fmt.Println()
	fmt.Println("Key insight: When secret.Enabled() returns true, all memory used")
	fmt.Println("during execution will be automatically erased upon exit.")
}