title: Formik - FieldArray with radio input
body: <p>I'm using <code>formik 1.5.8</code> the version right before version 2, and I'm trying to use <code>&lt;FieldArray /&gt;</code> to generate multiple nested choices for the user (questions and MCQ answers).</p>
  
  <p>Everything works great, but the thing is I want to generate a <code>radio button</code> input with each answer to flag this answer as the correct one.</p>
  
  <p>The nested <code>&lt;FieldArray /&gt;</code> generating fine, but as you know in order to make the <code>Radio Button</code> work, you have to give them all the same name with different values, so in this scenario, I'm giving them the name of the first answer option, so when I change them only the first answer option changes its value.</p>
  
  <p>How can I do such a thing where the selected radio button changes its correct field value to <code>true</code> and the others to <code>false</code>?</p>
  
  <p>Here's a <code>Codesandbox</code> to demonstarate ...</p>
  
  <p><a href="https://codesandbox.io/s/formik-yup-fieldarray-with-radio-inputs-r5yxl" rel="nofollow noreferrer">https://codesandbox.io/s/formik-yup-fieldarray-with-radio-inputs-r5yxl</a></p>