balkian/clojure-koans
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ed23b910fa
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115 Commits

Author SHA1 Message Date
Pascal Honoré
ed23b910fa Updated description 
Thanks to @Strikingwolf for the suggestion!
 2016-03-25 21:53:55 +00:00
Pascal Honoré
4d4cb3b93a First encounter with nil 
In 02_strings.clj, the answer to

   (= __ (string/index-of "hello world" "bob"))

is `nil` but `nil` is not obvious for somebody who
never saw it before. This step introduces it.
 2016-03-25 18:12:04 +00:00
Damian Niemczyk
a8fe71e26f Update java string methods to clojure functions 
With Clojure 1.8.0 finally those string methods now have corresponding
Clojure functions.

Of note here is that the clojure.string/index-of function responds
with nil if nothing is found and not -1 as .IndexOf previously did.
 2016-01-25 16:50:34 -06:00
Colin Jones
ec9d5cd66f Emphasize the leftovers included by partition-all 2016-01-25 16:45:53 -06:00
Michael Perez
d30e324bcd src/koans/21_partition.clj: correct meditation doc 
The meditation was misleading because calling `(partition-all 3 (range 5))` returns `((0 1 2) (3 4))` results in sequences having <=3 elements , not strictly less than.
 2016-01-14 20:36:43 -05:00
SuperStevenZ
51176084a4 Update 23_meta.clj 
Fixed a spelling mistake:
23_meta.clj 12:18
*succintly* -> succinctly
 2015-10-17 08:48:49 -05:00
William Jackson
3e3b2d3a94 Fix mispellings 2015-10-02 18:23:29 -05:00
Striking
5a836be75c Create the meditations of a string koan 
Covers
* String creation
* String concatenation
* Counting strings characters and getting them
* Difference between chars and strings
* Substrings
* string/join w/ and w/o separators
* string/split-lines
* .indexOf and .lastIndexOf
* string/trim
* char? and string?
* blank?
 2015-09-13 01:17:47 -05:00
Striking
7498707bc0 Change file/ns names for everything and add 02_strings 2015-09-13 00:28:39 -05:00
Colin Jones
cba0d3733f Merge remote-tracking branch 'brymaven/meta-koan' 2015-07-20 08:26:42 -05:00
Colin Jones
071e5a215d Merge pull request #94 from ode79/patch-2 
Remove extra space in 10_lazy_sequences.clj
 2015-07-20 08:25:06 -05:00
ode79
fed56b1cdd Extra whitespace in 10_lazy_sequences.clj 2015-07-19 23:55:37 +01:00
ode79
f25c3ef62f Alignment on line in 09_runtime_polymorphism.clj 
1 missing space.

Most inconsequential pull request ever :)
 2015-07-19 23:41:27 +01:00
Bryant
93e76cb56a Fix grammar and formatting in group by koan 2015-07-12 17:43:16 -07:00
Bryant
173dd560d7 Add koan for metadata 2015-07-12 17:17:48 -07:00
Colin Jones
b1ea905c57 Update answer sheet for ClojureBridge-MN changes 2015-07-06 07:28:21 -05:00
Tom Marble
356844ba0a Replaced Playground song with Oxford comma 2015-06-24 14:11:00 -05:00
Tom Marble
f30feb25fe Merge branch 'friendlier-koans' 2015-06-24 07:58:49 -05:00
Tom Marble
f678ac204d Merge pull request #3 from elenam/master 
changed another foo to hello
 2015-06-24 07:44:13 -05:00
Elena Machkasova
6866ccd933 changed another foo to hello 2015-06-14 23:35:01 -05:00
Tom Marble
54d4b1a999 refer to clojure.set in 04 2015-06-14 21:38:41 -05:00
Tom Marble
6d5b226307 attempt to make koans more inclusive 2015-06-14 21:06:04 -05:00
Tom Marble
c4958a9263 Merge pull request #1 from clojurebridge-minneapolis/brian/fix-koans-2 
Made conditionals exercises more PC.
 2015-06-14 20:56:50 -05:00
Brian Dawn
29aedc3a6a Made conditionals exercises more novice friendly. 2015-06-14 11:15:40 -05:00
Elena Machkasova
8a5303df8f replaced "foo" examples with "hello" 
This is more novice-friendly
 2015-06-14 11:11:39 -05:00
Piotr Bzdyl
7f21443d6f Simplified code. 2015-03-03 20:12:17 +01:00
Mike Jansen
45ea6e3441 update maps koans with 2018 Olympics 2014-11-26 16:19:04 -06:00
Colin Jones
04b3c4a960 Bump koan-engine dependency 
Also eliminates some ns forms that we can do without now.

Closes #71
 2014-05-02 16:39:13 -05:00
David Kinzer
711925a043 Add name-spaces to the clojure koans files. 
This commit adds two name-spaces to beginning of the clojure koan files
in order to fix an issue both #68 and #69.
 2014-05-02 16:38:17 -05:00
Colin Jones
fd3972dd78 Merge pull request #74 from ajmccluskey/21-remove-partial 
Remove unnecessary call to partial in second koan
 2014-04-25 14:31:13 -05:00
Mike Jansen
eaf6cd6f80 fix spacing issue in 05_maps.clj 2014-04-25 14:11:18 -05:00
Andrew McCluskey
569aa5e85b Remove unnecessary call to partial in second koan 
juxt returns a function that takes a variable number of arguments, so a
partial taking one argument does not need to be created.
 2014-03-19 21:59:40 +07:00
Gunnlaugur Thor Briem
a1e659bc29 Trivial: fix Hawking's first name 2014-01-27 09:52:03 +00:00
Colin Jones
86a6790ae4 Clean up group-by descriptions & spelling 2014-01-21 08:09:02 -06:00
Takayuki Goto
d6b1b57942 group-by function koan 2014-01-21 08:08:26 -06:00
Colin Jones
f35e258e7f Update answer key to reflect renaming 2014-01-21 07:43:05 -06:00
Kyle VanderBeek
e96ccc4494 Switch variable from index to x to avoid confusing syntax highlightig. 
index is a clojure.set function and ended up highlighted for me, sending me
down a rabbit hole of confusion. Avoid this with a more generic variable name
consistent with other Koan files.
 2014-01-21 07:35:12 -06:00
Attila Domokos
68dcde939e Make if-not example clearer, fix the answer keys 
I felt the example wasn't very clear as the conditional returned the
quoted form of `doom` when it evaluated to true or false. This way the
user needs to find a value that satisfies the if-not conditional so it
returns `doom` and not `more-doom`.
 2014-01-21 07:23:03 -06:00
Colin Jones
0cf4cd3121 Move herbivore assertions together 2014-01-21 07:14:27 -06:00
Tobias Pfeiffer
92c7f8b2f0 Added one test to the polymorph suite (test name usage) 
* added one tests that verifies that the diet function also
  accesses the name value of the map (before it was possible
  to just return "Bambi eats veggies." for the herbivore diet
* since this is not the main purpose of these specs added just
  this one and not extra specs for default/carnivore as I didn't
  want to bloat it, but could add those as well if desired
 2014-01-21 07:14:18 -06:00
Chris Cummins
5c27ca25cc Minor grammar fix 2014-01-09 01:14:08 +00:00
Colin Jones
0675850ae7 Merge pull request #61 from drguildo/grammar-fixes 
A few grammatical changes.
 2013-11-18 10:44:34 -08:00
Simon Morgan
8c0d3f885c A few grammatical changes. 2013-11-18 17:29:13 +00:00
Laura Brown
f60275e6e4 Update 05_maps.clj 
"Often you will need to get the keys, but the order is undependable"
The keys value pairs are already ordered by key. Why not make the original map un-ordered to force the user to think about sorting them?

"You can get the values in a similar way"
Two of the three values are already provided in the answer, the answer to this challenge can be arrived at by providing the missing one through process of elimination without thinking about sorting.
 2013-09-18 08:45:07 -05:00
Bob Williams
c5ef11690e rearranging map keys to prove sort function 2013-09-18 09:13:54 -04:00
David Kinzer
f9268e81bf Fix spelling. 2013-08-04 00:59:37 +00:00
Colin Jones
f0bdefe972 Improve grammatical flow 
refs #51
 2013-07-24 19:39:17 -05:00
Marshall Shen
6fb62d5c79 add one more problem in function exercise 2013-07-22 10:55:09 -05:00
Hannes Johansson
8cd9d64ad0 Added missing word in comment for koan 11 2013-03-15 23:35:41 +01:00
Micah Martin and Colin Jones
559f2e2c58 Take pity and clarify higher-order fns a bit 2013-03-04 17:51:31 -06:00