Go error handling

main.go

import (
  "fmt"
  "errors"

  tce "github.com/tencentcloud/tencentcloud-sdk-go/tencentcloud/common/errors"
)

// Way 1
if _, ok := err.(*tce.TencentCloudSDKError); ok {
  return fmt.Errorf("An API error has returned: %s", err)
}

// Way 2
if err != nil {
  // declare pointer
  var apiErr *tce.TencentCloudSDKError
  
  // try to cast error type
  if errors.As(err, &apiErr) {
    // handle API error
    return fmt.Errorf("An API error has returned: %s", apiErr.Error())
  }
  // other errors
  return fmt.Errorf("An error has returned: %s", err.Error())
}