Mapping an object

[Harnish Botadra]

Hi,

This is Harnish. I am looking for a way to map an object.

Ex:

Instead of doing,

resultset = A.get_arr
result = resultset[0].my_obj


Can I combine the 2 statements into 1 when I know that my A.get_arr is
sure to return an array with just 1 object.

Thanks for your help.

Regards,
Harnish

 

[Harold Hausman]

Instead of doing,

resultset = A.get_arr
result = resultset[0].my_obj


Can I combine the 2 statements into 1 when I know that my A.get_arr is
sure to return an array with just 1 object.

I think your code could just become:
result = A.get_arr[0].my_obj

Consider this:
irb(main):002:0> def foo; ["foo"]; end
=> nil
irb(main):003:0> foo[0].reverse
=> "oof"

Hope that helps,
-Harold

 

[Konrad Meyer]

--nextPart2064973.nv492St4da
Content-Type: text/plain;
charset="utf-8"
Content-Transfer-Encoding: quoted-printable
Content-Disposition: inline

Quoth Harnish Botadra:

Hi,
=20
This is Harnish. I am looking for a way to map an object.
=20
Ex:
=20
Instead of doing,
=20
resultset =3D A.get_arr
result =3D resultset[0].my_obj
=20
=20
Can I combine the 2 statements into 1 when I know that my A.get_arr is
sure to return an array with just 1 object.
=20
Thanks for your help.
=20
Regards,
Harnish

result =3D A.get_arr.first # =3D> First object of A.get_arr's array.

=2D-=20
Konrad Meyer <[email protected]> http://konrad.sobertillnoon.com/

--nextPart2064973.nv492St4da
Content-Type: application/pgp-signature; name=signature.asc
Content-Description: This is a digitally signed message part.

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.7 (GNU/Linux)

iD8DBQBHBY4ICHB0oCiR2cwRAlNdAKDFcQBvyyszts3RGszzOAUqv1wfNwCcCRX3
997FoveAApCRf6cADcTK7UA=
=Ie66
-----END PGP SIGNATURE-----

--nextPart2064973.nv492St4da--