diff --git a/src/koans/02_strings.clj b/src/koans/02_strings.clj index 2f713c8..f2d9623 100644 --- a/src/koans/02_strings.clj +++ b/src/koans/02_strings.clj @@ -4,69 +4,67 @@ (meditations "A string is nothing more than text surrounded by double quotes" - (= "hello" "hello") + (= __ "hello") "But double quotes are just magic on top of something deeper" - (= "world" (str 'world)) + (= __ (str 'world)) "You can do more than create strings, you can put them together" - (= "Cool right?" (str "Cool right?")) + (= "Cool right?" (str __ __)) "You can even get certain characters" - (= nil (get "Characters" "C")) + (= \C (get "Characters" __)) "Or even count the characters" - (= 11 (count "Hello World")) + (= __ (count "Hello World")) "But strings and characters are not the same" - (= false(= \c "c")) + (= __ (= \c "c")) "What if you only wanted to get part of a string?" - (= "World" (subs "Hello World" 6 11)) + (= "World" (subs "Hello World" __ __)) "How about joining together elements in a list?" - (= "123"(string/join '(1 2 3))) + (= __ (string/join '(1 2 3))) "What if you wanted to separate them out?" - (= "112321233" (string/join "123" '(1 2 3))) + (= "1, 2, 3" (string/join __ '(1 2 3))) "Maybe you want to separate out all your lines" - (= ["1" "2" "3" ] (string/split-lines "1\n2\n3")) + (= [__ __ __] (string/split-lines "1\n2\n3")) "You may want to make sure your words are backwards" - (= "olleh"(string/reverse "hello")) + (= __ (string/reverse "hello")) "Maybe you want to find the index of the first occurrence of a substring" - (= 0 (string/index-of "hello world" "h")) + (= 0 (string/index-of "hello world" __)) "Or maybe the last index of the same" - (= 13 (string/last-index-of "hello world, hello" "hello")) + (= __ (string/last-index-of "hello world, hello" "hello")) "But when something doesn't exist, nothing is found" - (= nil (string/index-of "hello world" "bob")) + (= __ (string/index-of "hello world" "bob")) "Sometimes you don't want whitespace cluttering the front and back" - (= "hello world" (string/trim " \nhello world \t \n")) + (= __ (string/trim " \nhello world \t \n")) "You can check if something is a char" - (= true (char? \c)) + (= __ (char? \c)) "But it may not be" - (= false (char? "a")) + (= __ (char? "a")) "But chars aren't strings" - (= false (string? \b)) + (= __ (string? \b)) "Strings are strings" - (= true (string? "")) + (= true (string? __)) "Some strings may be blank" - (= true(string/blank? "")) + (= __ (string/blank? "")) "Even if at first glance they aren't" - (= true (string/blank? " \n \t ")) + (= __ (string/blank? " \n \t ")) "However, most strings aren't blank" - (= false (string/blank? "hello?\nare you out there?")) - - ) + (= __ (string/blank? "hello?\nare you out there?")))