Reflection/List properties: Difference between revisions
Rename Perl 6 -> Raku, alphabetize, minor clean-up
Thundergnat (talk | contribs) (Rename Perl 6 -> Raku, alphabetize, minor clean-up) |
|||
Line 622:
}, 'Circle' );
</pre>
=={{header|Perl 6}}==▼
You can get a list of an object's attributes (instance variables) using <tt>.^attributes</tt>, which is part of the [https://docs.perl6.org/type/Metamodel$COLON$COLONClassHOW Meta Object Protocol]..<br>▼
Each is represented as an <tt>Attribute</tt> object that contains a bunch of info:▼
<lang perl6>class Foo {▼
has $!a = now;▼
has Str $.b;▼
has Int $.c is rw;▼
}▼
my $object = Foo.new: b => "Hello", c => 42;▼
for $object.^attributes {▼
say join ", ", .name, .readonly, .container.^name, .get_value($object);▼
}</lang>▼
{{out}}▼
<pre>▼
$!a, True, Any, Instant:1470517602.295992▼
$!b, True, Str, Hello▼
$!c, False, Int, 42▼
</pre>▼
Public attributes (in this case, <tt>$.b</tt> and <tt>$.c</tt>) are really just attributes for which the compiler also auto-generates a method of the same name. See [[Reflection/List_methods#Perl_6]].▼
=={{header|Phix}}==
Line 846 ⟶ 821:
#[('__class__', <class '__main__.Child'>), ..., ('args', (0, 'I', 'two')), ('args_bleh', "(0, 'I', 'two') bleh"), ('doNothing', <bound method Child.doNothing of Child(chld, 0, 'I', 'two')>), ('doStuff', <bound method Child.doStuff of Child(chld, 0, 'I', 'two')>), ('name', 'chld'), ('name_bleh', 'chld bleh'), ('own', "chld's own"), ('own_bleh', "chld's own bleh"), ('reBleh', <_sre.SRE_Pattern object at 0x10067bd20>), ('reBleh_bleh', '<_sre.SRE_Pattern object at 0x10067bd20> bleh')]
</lang>
(formerly Perl 6)
▲You can get a list of an object's attributes (instance variables) using <tt>.^attributes</tt>, which is part of the [https://docs.perl6.org/type/Metamodel$COLON$COLONClassHOW Meta Object Protocol]..<br>
▲Each is represented as an <tt>Attribute</tt> object that contains a bunch of info:
▲<lang perl6>class Foo {
▲ has $!a = now;
▲ has Str $.b;
▲ has Int $.c is rw;
▲}
▲my $object = Foo.new: b => "Hello", c => 42;
▲for $object.^attributes {
▲ say join ", ", .name, .readonly, .container.^name, .get_value($object);
▲}</lang>
▲{{out}}
▲<pre>
▲$!a, True, Any, Instant:1470517602.295992
▲$!b, True, Str, Hello
▲$!c, False, Int, 42
▲</pre>
▲Public attributes (in this case, <tt>$.b</tt> and <tt>$.c</tt>) are really just attributes for which the compiler also auto-generates a method of the same name. See [[Reflection/List_methods#Perl_6]].
=={{header|REXX}}==
| |||