title: string to number conversion in golang
body: <p>Golang has <a href="https://golang.org/pkg/strconv/" rel="nofollow noreferrer">strconv</a> library that converts string to int64 and uint64.</p>
  
  <p>However, the rest of integer data types seems to be unsupported as I can't find conversion functions for byte, int16, uint16, int32, uint32 data types.  </p>
  
  <p>One can always convert from byte, 16-bit and 32-bit data types to int64 and uint64 without loss of precision.  Is that what's intended by language?</p>