Accessors: 'yes' or 'no'

Программисты любят аксессоры

[object Object],$obj ->foo ( 1 ); print $obj ->foo ; $obj ->{ foo } = 1 ; print $obj ->{ foo } ;

[object Object],package MyPackage ; has 'foo' => 42 ; 1 ; package MyPackage ; sub new { my $class = shift ; my $self = bless { @_ }, $class; $self ->{ foo } = 42 ; return $self; } 1 ;

package MyPackage ; has 'foo' => 1 , is => 'ro' ; has 'bar' => 1 , isa => 'Int' ; 1 ; ,[object Object]

[object Object],package MyPackage2 ; use base 'MyPackage' ; sub foo { my $self = shift ; croak( "It's not int!" ) if @_ and $_[ 0 ] =~ / ^ + $ / ; $self ->SUPER ::foo(@_); } 1 ;

[object Object],sub get_foo { my $self = shift ; return $self ->{ foo } ; } my $value = $self ->get_foo ;

[object Object],my $value = $self ->get_foo ; my $value = $self ->{ foo } ;

[object Object],sub set_foo { my $self = shift ; die 'Not enough arguments for set_foo' unless @_; $self ->{ foo } = shift ; return $self; } $self ->set_foo ( 'bar' );

[object Object],sub foo { my $self = shift ; return $self ->{ foo } unless @_; die 'Too much arguments' if @_ > 1 ; $self ->{ foo } = shift ; return $self; } my $value = $self ->foo ; $self ->foo ( 'bar' );

Программисты боятся аксессоров

[object Object],my $value = $self ->foo ; $self ->foo ( 1 ); my $value = $self ->{ foo } ; $self ->{ foo } = 1 ;

[object Object],$self ->foo ( 1 ); # accessor $self ->bar ( 1 ); # method

[object Object],sub bar { my $self = shift ; # ... return rand ($self ->{ foo } ); }

[object Object],[object Object]

[object Object],use Mojo::Base::XS -infect;

cpanm Mojo::Base::XS perl -MMojo::Base::XS=-infect

http://github.com/yko/mojo-base-xs

Accessors: 'yes' or 'no'

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