$frobnitzer->set_frob( 42 )
->set_flub( 712 )
->set_name( 'veeblefetzer' );
####
my $label = $button->border( 20 )->label;
##
##
$window->title( 'foo' )->border( 20 );
# semantically very different from:
$window->child->border( 20 );
##
##
my $label_formatting = $window->title( 'foo' )
->border( 20 )
->child->border( 20 )
->child->font_style;
##
##
$window->title( 'foo' );
$window->border( 20 );
my $button = $window->child;
$button->border( 20 );
my $label_formatting = $button->child->font_style;
##
##
$window->set(
title => 'foo',
border => 20,
);