function getInt16( arr, idx ) { // eslint-disable-line stdlib/jsdoc-doctest-decimal-point
	return arr[ idx ];
}
Returns an element from an `Int16Array`.

@private
@param {Int16Array} arr - input array
@param {NonNegativeInteger} idx - element index
@returns {number} element value

@example
var Int16Array = require( '@stdlib/array/int16' );

var arr = new Int16Array( [ 1, 2, 3, 4 ] );

var v = getInt16( arr, 2 );
// returns 3