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Re^4: OT: Ruby On Rails - your thoughts?

by Fletch (Chancellor)
on Nov 17, 2005 at 20:31 UTC ( #509556=note: print w/replies, xml ) Need Help??


in reply to Re^3: OT: Ruby On Rails - your thoughts?
in thread OT: Ruby On Rails - your thoughts?

[ fields[ 1..4 ], fields[ 4..5 ], 0, 0 ].flatten should work in Ruby; passing a range to Array#[] returns the specified subarray.

Update: And additionally it'd be more idiomatic to use do . . . end rather than {} around your blocks. Granted I don't think it makes a difference in this case but the later does bind more tightly than the former.

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Re^5: OT: Ruby On Rails - your thoughts?
by dragonchild (Archbishop) on Nov 17, 2005 at 20:41 UTC
    [ fields[ 1..4 ], fields[ 4..5 ], 0, 0 ].flatten didn't work when I tried it, but I was probably doing something wrong. I'd like sth.execute() to take an array instead of requiring me to splat it, which would allow for sth.execute( [ ... ] ) vs. the annoying ary = [ ... ]; sth.execute( *ary ). Ideally, it would do something like:
    def execute( *args ) args.flatten .... end
    which would allow for sth.execute( fields[ 1..4 ], fields[ 4..5 ], 0, 0 ), but I'm sure there was a good reason to not do that. I haven't cared enough to find out what that reason was.

    And, yes, do..end is more idiomatic, but I'm not comfortable with it yet. I'm sure I'll be making the shift soon enough. :-)


    My criteria for good software:
    1. Does it work?
    2. Can someone else come in, make a change, and be reasonably certain no bugs were introduced?

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