Function GetStackValue

middleware/stack_values.go:26–33

GetStackValues returns the value pointed to by the key within the stack values, if it is present.

(ctx context.Context, key interface{})

// GetStackValues returns the value pointed to by the key within the stack
// values, if it is present.
func GetStackValue(ctx context.Context, key interface{}) interface{} {
	md, _ := ctx.Value(stackValuesKey{}).(*stackValues)
	if md == nil {
		return nil
	}

	return md.Value(key)
}

type stackValuesKey struct{}