我最近开始使用模块
MooseX::Declare.我喜欢它的语法.它优雅而整洁.有没有人遇到过你想要在类中编写许多函数(其中一些很大)和运行到页面中的类定义的情况？是否有任何解决方法使类定义只是声明函数和类外的实际函数定义？
我要找的是这样的 –
class BankAccount {
has 'balance' => ( isa => 'Num',is => 'rw',default => 0 );
# Functions Declaration.
method deposit(Num $amount);
method withdraw(Num $amount);
}
# Function Definition.
method BankAccount::deposit (Num $amount) {
$self->balance( $self->balance + $amount );
}
method BankAccount::withdraw (Num $amount) {
my $current_balance = $self->balance();
( $current_balance >= $amount )
|| confess "Account overdrawn";
$self->balance( $current_balance - $amount );
}
我可以看到有一种方法可以使类变异.有谁知道怎么做？