Article View: pl.comp.lang.ruby
Article #934Re: Powtarzany blok kodu
From: Piotr 'piter' Hlawski
Date: Tue, 19 Feb 2008 12:01
Date: Tue, 19 Feb 2008 12:01
32 lines
1631 bytes
1631 bytes
edek wrote:
> Witam,
>
> w swojej aplikacji często powtrzam kod
>
> for time in ['morning', 'afternoon', 'evening', 'night'] do
> # (mój kod)
> end
>
> jak można zapisać to jakąś formułą, by nie pisać tego za każdym razem?
> Typu:
>
> costam do
> # (mój kod)
> end
Może tak (pisane na szybko):
def costam(arr = ['morning', 'afternoon', 'evening', 'night'])
arr.each do |x|
yield(x) if block.given?
end
end
costam do |a|
# Twój kod, np:
puts a
end
--
[ Piotr 'piter' Hlawski ( <phlawski$gmail,com> ) ( GG: 4534287 ) ]
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From: Piotr 'piter' Hlawski <phlawski@cut_this_crap.gmail.com>
Newsgroups: pl.comp.lang.ruby
Subject: Re: Powtarzany blok kodu
Date: Tue, 19 Feb 2008 13:01:44 +0100
Organization: UAC
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