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Re: Use of blocks
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Re: Use of blocks


  • Subject: Re: Use of blocks
  • From: Michael Ash <email@hidden>
  • Date: Mon, 12 Jul 2010 10:11:58 -0400

On Mon, Jul 12, 2010 at 3:34 AM, Giannandrea Castaldi
<email@hidden> wrote:
> Hi,
> I want to use blocks to extract the min price and the max price from
> an NSArray of trips. I've found the following way:
>
>    float minValue = 0.0;
>    [someTrips enumerateObjectsUsingBlock:^(id obj, NSUInteger idx,
> BOOL *stop) {
>      if (minValue == 0.0 || [[obj adultFinalPrice] floatValue] < minValue) {
>        minValue = [obj floatValue];
>      }
>    }];

While I'm a big fan of blocks, for this particular use I think they're
overkill. You can get less, faster code by using a for/in loop:

float minValue = INFINITY;
for(id obj in someTrips)
    minValue = MIN(minValue, [[obj adultFinalPrice] floatValue]);

Mike
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  • Follow-Ups:
    • Re: Use of blocks
      • From: Keith Duncan <email@hidden>
References: 
 >Use of blocks (From: Giannandrea Castaldi <email@hidden>)

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