Re: Member access operator (WAS: Re: [Nant-users] checking nant version)

[Gert Driesen]

----- Original Message ----- 
From: "Jaroslaw Kowalski" <[EMAIL PROTECTED]>
To: "Gert Driesen" <[EMAIL PROTECTED]>
Cc: "Nant-Developers (E-Mail)" <[EMAIL PROTECTED]>; 
<[EMAIL PROTECTED]>
Sent: Saturday, August 14, 2004 3:08 PM
Subject: Member access operator (WAS: Re: [Nant-users] checking nant 
version)


This is ofcourse the best solution for the issue Jeroen brought up, but
that
other users might still expect the possibility to use relational
operations
on versions. Meaning:  should the following functions return a version
data
type :
    assembly::get-version(string)
    file::get-file-version(string)
    file::get-product-version(string)
and we could then have the following functions in the version namespace :
    version::get-major(version)
    version::get-minor(version)
    version::get-build(version)
    version::get-revision(version)
    version::to-string(version)
    version::parse(string) or version::from-string(string)
and support the same operators as supported by the System.Version.
Imagine this extension to NAnt function calls:
assembly::get-version('aaaa.dll')::major
assembly::get-version('aaaa.dll')::minor
assembly::get-version('aaaa.dll')::build
assembly::get-version('aaaa.dll')::revision
('.' as a member access operator cannot be used because it can be a part 
of
a valid identifier)

Same thing would work for functions that return datetime, timespan and 
other
structures.

datetime::now()::seconds
timespan::whatever()::totalseconds
In the future when we support typed properties, you'd be allowed to do it
even on properties:
<property name="zzz" type="datetime" value="${datetime::now()}" />
<echo message="${zzz::seconds}" />
What do you think?
I guess I don't really like ... It would ofcourse reduce the verbosity of 
the expressions, but it doesn't improve readability.

I just don't see a strong need for it I ...
But its just my personal opinion ...
Gert 


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