晋太元中,武陵人捕鱼为业。缘溪行,忘路之远近。忽逢桃花林,夹岸数百步,中无杂树,芳草鲜美,落英缤纷。渔人甚异之,复前行,欲穷其林。 林尽水源,便得一山,山有小口,仿佛若有光。便舍船,从口入。初极狭,才通人。复行数十步,豁然开朗。土地平旷,屋舍俨然,有良田、美池、桑竹之属。阡陌交通,鸡犬相闻。其中往来种作,男女衣着,悉如外人。黄发垂髫,并怡然自乐。 见渔人,乃大惊,问所从来。具答之。便要还家,设酒杀鸡作食。村中闻有此人,咸来问讯。自云先世避秦时乱,率妻子邑人来此绝境,不复出焉,遂与外人间隔。问今是何世,乃不知有汉,无论魏晋。此人一一为具言所闻,皆叹惋。余人各复延至其家,皆出酒食。停数日,辞去。此中人语云:“不足为外人道也。”(间隔 一作:隔绝) 既出,得其船,便扶向路,处处志之。及郡下,诣太守,说如此。太守即遣人随其往,寻向所志,遂迷,不复得路。 南阳刘子骥,高尚士也,闻之,欣然规往。未果,寻病终。后遂无问津者。
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use strict;
use warnings;
use Test::More;
use Try::Tiny;
plan tests =>
(4+1) * 2 # list/scalar with exception (try + catch + 2 x finally) + is_deeply
+ 4 # void with exception
+ (3+1) * 2 # list/scalar no exception (try + 2 x finally) + is_deeply
+ 3 # void no exception
;
my $ctx_index = {
VOID => undef,
LIST => 1,
SCALAR => '',
};
my ($ctx, $die);
for (sort keys %$ctx_index) {
$ctx = $_;
for (0,1) {
$die = $_;
if ($ctx_index->{$ctx}) {
is_deeply(
[ run() ],
[ $die ? 'catch' : 'try' ],
);
}
elsif (defined $ctx_index->{$ctx}) {
is_deeply(
[ scalar run() ],
[ $die ? 'catch' : 'try' ],
);
}
else {
run();
1;
}
}
}
sub run {
try {
is (wantarray, $ctx_index->{$ctx}, "Proper context $ctx in try{}");
die if $die;
return 'try';
}
catch {
is (wantarray, $ctx_index->{$ctx}, "Proper context $ctx in catch{}");
return 'catch';
}
finally {
is (wantarray, undef, "Proper VOID context in finally{} 1");
return 'finally';
}
finally {
is (wantarray, undef, "Proper VOID context in finally{} 2");
return 'finally';
};
}