nl_tokens: Returns the minimum item in the object .
pl_tokens: function min ( o , func ) { if ( ! o || typeof o !== 'object' ) return o ; if ( libs . object . size ( o ) === 0 ) return ; if ( ! ( func instanceof Function ) ) func = undefined ; if ( typeof o !== 'object' ) return o ; var min , minValue ; if ( ! func ) { min = libs . object . first ( o ) ; libs . object . each ( o , 1 , function ( item ) { if ( <mask> <= min ) min = item ; } ) ; } else { min = libs . object . first ( o ) ; minValue = func . call ( min , min ) ; libs . object . each ( o , 1 , function ( item ) { var value = func . call ( item , item ) ; if ( value <= minValue ) { min = item ; minValue = value ; } } ) ; } return min ; }