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12
documentation/trunk/eiffel/Tutorials/Mini-HowTo/Getting-a-STRING-from-a-NUMERIC-object.wiki
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[[Property:modification_date|Mon, 10 Sep 2018 09:09:25 GMT]]
[[Property:publication_date|Mon, 10 Sep 2018 09:09:25 GMT]]
[[Property:uuid|B74D374E-895C-4F22-B95F-656BD78ECD03]]
[[Property:weight|1000]]
[[Property:title|Getting a STRING from a NUMERIC object]]
[[Property:link_title|NUMERIC to STRING]]
Every class has the <code>out</code> method that can be used to get a text version of the object. For a lot of class, this method return internal informations that are not really useful for the end user. But for every <code>NUMERIC</code> class, the <code>out</code> method return a text representation of the number that the <code>NUMERIC</code> object represents.
Every class has the `out` method that can be used to get a text version of the object. For a lot of classes, this method returns internal information that is not really useful for the end user. But for every `NUMERIC` class, the `out` method returns a text representation of the number that the `NUMERIC` object represents.
<code>
print_integer(a_integer:INTEGER)
-- Print the value of `a_integer'
print_integer (a_integer: INTEGER)
-- Print the value of `a_integer`.
do
print(a_integer.out + "%N")
print (a_integer.out + "%N")
end
</code>
Note that for more advance convertion, you can also used convertion class like <code>FORMAT_DOUBLE</code>.
Note that for more advanced conversion, you can also use a conversion class like `FORMAT_DOUBLE`.

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documentation/trunk/eiffel/Tutorials/Mini-HowTo/Iterate-on-a-LIST-and-removing-object.wiki
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[[Property:modification_date|Fri, 07 Sep 2018 12:13:00 GMT]]
[[Property:modification_date|Mon, 10 Sep 2018 09:06:41 GMT]]
[[Property:publication_date|Fri, 07 Sep 2018 12:13:00 GMT]]
[[Property:uuid|78393BBA-9B1E-4523-9881-3D83CEB6A952]]
[[Property:weight|3000]]
[[Property:title|Removing object while iterating on a LIST]]
If you already have the object that you want to remove from the `LIST` you can easily use `prune` and `prune_all`. But if you want to remove objects while iterating on that `LIST`, depending on criteria on the objects contained in the `LIST`, here what you can do.
If you already have the object that you want to remove from the `LIST` you can easily use `prune` and `prune_all`. But if you want to remove objects while iterating on that `LIST`, depending on criteria on the objects contained in the `LIST`, here is what you can do.
First of all, if you think about removing an object while iterating, I do not recommend using an `across` loop. If you iterate on the list using a `from until loop end`, just remember to use the `LIST.forth` only when you do not use `LIST.remove`.
For example, let's say we have class `MY_CLASS` with an attribute `has_stopped` and that I want to remove every object of a `LIST` that has this attribute set to `True`. Here what the code will look like.
For example, let's say we have class `MY_CLASS` with an attribute `has_stopped` and that I want to remove every object of a `LIST` that has this attribute set to `True`. Here is what the code will look like.
<code>
removing_stopped (a_list: LIST [MY_CLASS])

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documentation/trunk/eiffel/Tutorials/Mini-HowTo/index.wiki
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[[Property:modification_date|Mon, 10 Sep 2018 09:04:15 GMT]]
[[Property:publication_date|Mon, 10 Sep 2018 09:04:15 GMT]]
[[Property:link_title|Mini How-tos]]
[[Property:uuid|B2E4622A-2495-47DD-9C02-B9940A026EC1]]
[[Property:weight|0]]
[[Property:title|Mini How-tos]]
In this section, you will find little how-tos that can be used to know how to used some very specific mechanics in Eiffel. Those how-tos are small by design and can be used to show very fundamental mechanisms for beginners or more advance mechanisms.
In this section, you will find little how-tos that you can use to learn some very specific mechanics in Eiffel. Those how-tos are small by design and can be used to show very fundamental, or more advanced, mechanisms for beginners.