jbrhbr

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2016-03-14

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2016-03-13

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2016-03-07

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2016-02-07

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2016-02-06

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2016-02-05

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2016-02-04

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2016-02-03

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2016-02-02

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2016-02-01

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2016-01-31

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2016-01-30

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2016-01-29

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2016-01-28

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2016-01-27

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2016-01-26

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2016-01-25

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2016-01-24

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2016-01-23

[00:47:19] jbrhbr: >> def square(x); x*x; end; (0..10).map(&:square)
[00:47:24] jbrhbr: is there any way to get that to work?
[00:48:01] jbrhbr: it just occurred to me that it would be nicer in this unary function case than having to use the block style
[00:48:34] jbrhbr: i guess it's doing a send on the integer object
[00:48:40] jbrhbr: i'd have to define Integer::square perhaps
[00:53:15] jbrhbr: yea, so the send fails
[00:53:38] jbrhbr: i'm just trying to send a custom predicate to the short form of select/reject but i guess i'm stuck with having to use a block
[00:54:29] jbrhbr: Ox0dea: i hadn't seen that form before
[00:55:07] jbrhbr: thanks guys, i'll see which of those two makes the most sense for me
[00:55:22] jbrhbr: i read through the code for it once but i'm hardly an expert
[00:55:35] jbrhbr: i just remember some check with responds_to? and send
[00:58:04] jbrhbr: i guess i should't be too surprised, &:square would have failed in other cases too where method(:square) would have worked
[00:59:47] jbrhbr: took me a sec to parse out the "is as is to" stuff there ;)
[00:59:53] jbrhbr: thanks again
[01:00:30] jbrhbr: except we can refer to it directly here because it's already a proc
[01:01:13] jbrhbr: just a default block then?
[01:01:33] jbrhbr: it's hard for me to understand why all of these mechanisms are needed in one language.. :)
[01:01:48] jbrhbr: yeah, i'm familiar with that much at least
[01:02:28] jbrhbr: i mean proc vs block vs lambda
[01:05:25] jbrhbr: so far i've only had done direct transparent usage of lambdas and blocks. outside of understanding how stuff works like in this conversation, whatever differentiates the proc concept is still a bit unclear to me, but there are lots of articles/blogs about this
[01:06:43] jbrhbr: like you need to know blocks at least for API design, and lambdas sometimes for DRY
[01:15:00] jbrhbr: stabs and rockets
[01:17:38] jbrhbr: i didn't know there were so many names but i appreciate this
[01:17:54] jbrhbr: i've just sort of waved my hands around in the air before when trying to describe the 'shovel'
[01:19:56] jbrhbr: which one is that? :p
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2016-01-22

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2016-01-21

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2016-01-20

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2016-01-19

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