non_std 0.1.4

Collection of general purpose tools for solving problems. Fundamentally extend the language without spoiling, so may be used solely or in conjunction with another module of such kind.
Documentation 
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function logMsgs( msg1, msg2 )
{
  if( msg1 && !msg2 )
  console.log( msg1 );

  if( !msg1 && msg2 )
  console.log( msg2, arguments[ 1 ] );  // two variants of calls of signed parameter

  if( arguments[ 2 ] )
  console.log( arguments[ 2 ] );
}

logMsgs( 'one' );
/* log : one */
logMsgs( null, 'two' );
/* log : two two */
logMsgs( null, undefined, 'three' );
/* log : three */
logMsgs( 'one', 'two', 'three', 'four', 'five' );
/* log : three */