try/catch

# Node.js

function foo(fail) {
  if (fail) {
    throw Error("my error");
  }
}

function main() {
  try {
    foo(true);
  } catch (err) {
    console.log(`caught error: ${err.message}`);
  }
}

main();

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Output

caught error: my error

# Go

package main

import (
	"errors"
	"fmt"
)

func foo(fail bool) error {
	if fail {
		return errors.New("my error")
	}

	return nil
}

func main() {
	err := foo(true)
	if err != nil {
		fmt.Printf("caught error: %s\n", err.Error())
	}
}

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Output

caught error: my error

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编辑

#Go #Node.js

上次更新: 2022/09/30, 11:34:22

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