Rachel Lyons #31
Rachel Lyons #31
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| while i < str.length | ||
| if str[i] == str[i+1] | ||
| i += 1 | ||
| elsif str[i+1] == str[i+2] |
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Can you say more about your inclusion of this elsif block? What was your thought process for including it? If you comment it out, does your method still function properly? Why or why not?
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If the first two characters in a given string are the same, the if statement in the while loop will find when they are no longer the same. Say str = "aaabbbbc". In this case the if statement would run through twice, but the third time the elsif statement would run because "a" != "b". "b" could be the first non-repeated letter, but there has to be a way to check if "b" is followed by another "b" or a different character. This is what the elsif block is for. When the elsif block is commented out the method does not work properly. If str = "aaabbbbc", without the elsif block, the letter "b" would be returned instead of "c".
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