{\n      this._setAttributeIfNotExists(outerElem, 'role', 'presentation')\n    }\n\n    if (!isActive) {\n      child.setAttribute('tabindex', '-1')\n    }\n\n    this._setAttributeIfNotExists(child, 'role', 'tab')\n\n    // set attributes to the related panel too\n    this._setInitialAttributesOnTargetPanel(child)\n  }\n\n  _setInitialAttributesOnTargetPanel(child) {\n    const target = SelectorEngine.getElementFromSelector(child)\n\n    if (!target) {\n      return\n    }\n\n    this._setAttrib...

constants</a>. Its value is the index of the respective <a href="#ConstSpec">ConstSpec</a>
in that constant declaration, starting at zero.
It can be used to construct a set of related constants:
</p>

<pre>
const (
	c0 = iota  // c0 == 0
	c1 = iota  // c1 == 1
	c2 = iota  // c2 == 2
)

const (
	a = 1 &lt;&lt; iota  // a == 1  (iota == 0)

byteorder.BEPutUint32(dst[8:12], s2) byteorder.BEPutUint32(dst[12:16], s3) } // Apply sbox0 to each byte in w. func subw(w uint32) uint32 { return uint32(sbox0[w>>24])<<24 | uint32(sbox0[w>>16&0xff])<<16 | uint32(sbox0[w>>8&0xff])<<8 | uint32(sbox0[w&0xff]) } // Rotate func rotw(w uint32) uint32 { return w<<8 | w>>24 } // Key expansion algorithm. See FIPS-197, Figure 11. // Their rcon[i] is our powx[i-1] << 24. func expandKeyGeneric(c *blockExpanded, key []byte) { checkGenericIsExpect() // Encryption key setup....

byteorder.BEPutUint32(dst[8:12], s2) byteorder.BEPutUint32(dst[12:16], s3) } // Apply sbox0 to each byte in w. func subw(w uint32) uint32 { return uint32(sbox0[w>>24])<<24 | uint32(sbox0[w>>16&0xff])<<16 | uint32(sbox0[w>>8&0xff])<<8 | uint32(sbox0[w&0xff]) } // Rotate func rotw(w uint32) uint32 { return w<<8 | w>>24 } // Key expansion algorithm. See FIPS-197, Figure 11. // Their rcon[i] is our powx[i-1] << 24. func expandKeyGeneric(c *blockExpanded, key []byte) { checkGenericIsExpect() // Encryption key setup....