{"id":204,"date":"2011-09-13T20:29:46","date_gmt":"2011-09-13T19:29:46","guid":{"rendered":"http:\/\/blog.briang.org\/?p=204"},"modified":"2014-01-25T13:58:59","modified_gmt":"2014-01-25T13:58:59","slug":"moose-tips","status":"publish","type":"post","link":"https:\/\/blog.briang.org\/?p=204","title":{"rendered":"Moose tips"},"content":{"rendered":"

init_arg – use alternate attribute name in new()<\/h2>\n
\r\n# in package Foo\r\nhas qw(bar is ro init_arg quux);\r\n...\r\n# elsewhere\r\nmy $foo = Foo->new( quux => 1 );\r\n<\/pre>\n
Foo has an attribute named “bar”, but we pass “quux” to the constructor.
<\/p>\n
See Moose::Manual::Attributes \/ Constructor parameters (init_arg)<\/a><\/p>\n
init_arg – ban setting an attribute in new()<\/h2>\n
\r\n# in package Foo\r\nhas qw(bar is ro), init_arg => undef;\r\n...\r\n# elsewhere\r\nmy $foo = Foo->new( bar => 1 ); # dies\r\n<\/pre>\n
See Moose::Manual::Attributes \/ Constructor parameters (init_arg)<\/a><\/p>\n
lazy_build<\/h2>\n
\r\n# in package Foo\r\nhas qw(bar is ro isa ArrayRef lazy_build 1);\r\n# gets me:\r\n#   lazy      => 1\r\n#   builder   => '_build_bar',\r\n#   clearer   => 'clear_bar',\r\n#   predicate => 'has_bar',\r\n...\r\nsub _build_bar {\r\n    my ($self, @args) = @_;\r\n    ...\r\n    return [ reverse @args ];\r\n}\r\n<\/pre>\n
See Moose::Meta::Attribute<\/a><\/p>\n
Native traits<\/h2>\n
Array<\/h3>\n
    \n
  • accessor($index)\n
  • accessor($index, $value)\n
  • clear\n
  • count\n
  • delete($index)\n
  • elements\n
  • first( sub { … } )\n
  • first_index( sub { … } )\n
  • get($index)\n
  • grep( sub { … } )\n
  • insert($index, $value)\n
  • is_empty\n
  • join($str)\n
  • map( sub { … } )\n
  • natatime($n)\n
  • natatime($n, $code)\n
  • pop\n
  • push($value, …)\n
  • reduce( sub { … } )\n
  • set($index, $value)\n
  • shallow_clone\n
  • shift\n
  • shuffle\n
  • sort( sub { … } )\n
  • sort\n
  • sort_in_place( sub { … } )\n
  • sort_in_place\n
  • splice($offs, $len, @values)\n
  • uniq\n
  • unshift($value, …)\n<\/ul>\n
    Bool<\/h3>\n
    Code<\/h3>\n
    Counter<\/h3>\n
    Has<\/h3>\n
    Number<\/h3>\n
    String<\/h3>\n","protected":false},"excerpt":{"rendered":"
    init_arg – use alternate attribute name in new() # in package Foo has qw(bar is ro init_arg quux); … # elsewhere my $foo = Foo->new( quux => 1 ); Foo has an attribute named “bar”, but we pass “quux” to the constructor. See Moose::Manual::Attributes \/ Constructor parameters (init_arg) init_arg – ban setting an attribute in […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[58,56,5,53,49],"class_list":["post-204","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-briang","tag-cpanmoose","tag-perl","tag-tips","tag-todo"],"_links":{"self":[{"href":"https:\/\/blog.briang.org\/index.php?rest_route=\/wp\/v2\/posts\/204","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.briang.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.briang.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.briang.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.briang.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=204"}],"version-history":[{"count":10,"href":"https:\/\/blog.briang.org\/index.php?rest_route=\/wp\/v2\/posts\/204\/revisions"}],"predecessor-version":[{"id":237,"href":"https:\/\/blog.briang.org\/index.php?rest_route=\/wp\/v2\/posts\/204\/revisions\/237"}],"wp:attachment":[{"href":"https:\/\/blog.briang.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=204"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.briang.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=204"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.briang.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=204"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}