$object->set_date( $hash{ date } );
####
Method 1:
---------
for ( keys %hash ) {
my $method = "set_$_";
$object->$method( $hash{ $_ } );
}
Method 2:
---------
for ( keys %hash ) {
$object->${ \"set_$_" }( $hash{ $_ } );
}
##
##
$object ->${ \"set_$_" }( $hash{$_} );
##
##
#!/usr/bin/perl
use strict;
use warnings;
use Benchmark qw(cmpthese);
package foo;
{
sub set_var1 { }
sub set_var2 { }
sub set_var3 { }
sub set_var4 { }
sub set_var5 { }
}
package main;
my $object = bless {}, 'foo';
my %hash = map { ( "var$_" => $_ ) } ( 1 .. 5 );
sub temp_var {
for ( keys %hash ) {
my $method = "set_$_";
$object->$method( $hash{$_} );
}
}
sub deref {
for ( keys %hash ) {
$object ->${ \"set_$_" }( $hash{$_} );
}
}
cmpthese( 1_000_000,
{ temp_var => \&temp_var,
deref => \&deref
}
);
##
##
Rate deref temp_var
deref 176991/s -- -18%
temp_var 215054/s 22% --