var  gulp  =   require ( ' gulp ' ) ;
 var  cssnano  =   require ( ' gulp-cssnano ' ) ;
  
 gulp . task ( ' default ' ,   function ( )   {
      return   gulp . src ( ' ./main.css ' )
          . pipe ( cssnano ( ) )
          . pipe ( gulp . dest ( ' ./out ' ) ) ;
 } ) ;

 var  gulp  =   require ( ' gulp ' ) ;
 var  cssnano  =   require ( ' gulp-cssnano ' ) ;
 var  sourcemaps  =   require ( ' gulp-sourcemaps ' ) ;
  
 gulp . task ( ' default ' ,   function   ( )   {
      return   gulp . src ( ' main.css ' )
          . pipe ( sourcemaps . init ( ) )
          . pipe ( cssnano ( ) )
          . pipe ( sourcemaps . write ( ' . ' ) )
          . pipe ( gulp . dest ( ' ./out ' ) ) ;
 } ) ;