Defining a method []=

Ruby
1

I have used a method of [] with “def method”. But I can’t
figure out how to use[]=.

An array works with []= such as array[‘string1’] = ‘string2’ so how
would I write a method like that for my own class?

2

Brett K. wrote:

I have used a method of [] with “def method”. But I can’t
figure out how to use[]=.

An array works with []= such as array[‘string1’] = ‘string2’ so how
would I write a method like that for my own class?

Much the same way – it will have two parameters.

class MyClass
def []=(index,assigned)
# …whatever…
end
end

Make sense?

Hal

3

On Sun, 20 Aug 2006 02:40:27 -0400, Brett K.
[email protected] wrote:

I have used a method of [] with “def method”. But I can’t
figure out how to use[]=.

An array works with []= such as array[‘string1’] = ‘string2’ so how
would I write a method like that for my own class?

def method[]=(index, value)
…
end

Regards,
JJ

4

On 8/20/06, Brett K. [email protected] wrote:

You define a method called “[]=”.

class Foo
def []= key, value
puts “Setting key ‘#{key}’ to ‘#{value}’”
end
end

f = Foo.new
f[:hello] = “world”

Setting key ‘hello’ to ‘world’