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From: Andrei Beliankou on 10 Aug 2010 05:20
On Tue, 10 Aug 2010 17:37:09 +0900
Dmitriy Makarov <makarovx(a)gmail.com> wrote:

> how to repeat key's?

you can find an example solution in "The Ruby way." by Hal Fulton.


From: Dmitriy Makarov on 10 Aug 2010 05:21
> do you need a multivalue hash?
> {key => val1, val2, val3 ...}

Yes

--
Posted via http://www.ruby-forum.com/.

From: jason joo on 10 Aug 2010 05:28
[Note: parts of this message were removed to make it a legal post.]

another way is to make a patch to Hash object, put ur own rules in it and u
will have a HashMap in ruby

2010/8/10 Peter Hickman <peterhickman386(a)googlemail.com>

> The Ruby hash is not a Java HashMap
>
> x["key"] = "value_1"
> x["key"] = "value_2"
>
> puts x["key"] => "value_2"
>
> The best you can do is:
> 1) Create a HashMap class for Ruby, a very simple task
> 2) Use lists to store the values
>
> x["key"] = Array.new
> x["key"] << "value_1"
> x["key"] << "value_2"
>
> puts x["key"] => ["value_1", "value_2"]
>
> On 10 August 2010 10:05, Dmitriy Makarov <makarovx(a)gmail.com> wrote:
> >> what do u mean by 'repeat'?
> >
> > axample in java
> > HashMap h=ne HashMap();
> > h.put("key","value_1");
> > h.put("key","value_2");
> > h.put("key","value_N");
> >
> > how to made in ruby
> >
> >
> >
> > --
> > Posted via http://www.ruby-forum.com/.
> >
> >
>
>

From: Jake Jarvis on 10 Aug 2010 05:29
On 10.08.2010 11:18, wrote Peter Hickman:
> The Ruby hash is not a Java HashMap
>
> x["key"] = "value_1"
> x["key"] = "value_2"
>
> puts x["key"] => "value_2"
>
> The best you can do is:
> 1) Create a HashMap class for Ruby, a very simple task
> 2) Use lists to store the values
>
> x["key"] = Array.new
> x["key"] << "value_1"
> x["key"] << "value_2"
>
> puts x["key"] => ["value_1", "value_2"]

Why do that?
That's not how the given Java code behaves.

--
Jake Jarvis
From: jason joo on 10 Aug 2010 05:39
[Note: parts of this message were removed to make it a legal post.]

actually u just need a method to put value in and return the overwrite
value, don't u?
so in a usual way u can write a Hash class to redefine its []= method to
acheive that

2010/8/10 Jake Jarvis <pig_in_shoes(a)yahoo.com>

> On 10.08.2010 11:18, wrote Peter Hickman:
> > The Ruby hash is not a Java HashMap
> >
> > x["key"] = "value_1"
> > x["key"] = "value_2"
> >
> > puts x["key"] => "value_2"
> >
> > The best you can do is:
> > 1) Create a HashMap class for Ruby, a very simple task
> > 2) Use lists to store the values
> >
> > x["key"] = Array.new
> > x["key"] << "value_1"
> > x["key"] << "value_2"
> >
> > puts x["key"] => ["value_1", "value_2"]
>
> Why do that?
> That's not how the given Java code behaves.
>
> --
> Jake Jarvis
>
>

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