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| author | Divay Prakash <divayprakash@users.noreply.github.com> | 2018-10-04 22:00:09 +0530 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-10-04 22:00:09 +0530 |
| commit | e867dfd7b6eee67b2205e243027f8a4eb40a6681 (patch) | |
| tree | 706ff0bbc4afc7fac715f700f56be8550e8cd66d /ruby.html.markdown | |
| parent | b89b6a55ed4d739ea2098833638237ac0c364a13 (diff) | |
| parent | c3c6e3b08d9129d52a7349d0656569022ffa2f9b (diff) | |
Merge pull request #3253 from kaymmm/fix3042
[ruby/en] fixes #3042 (spring cleanup)
Diffstat (limited to 'ruby.html.markdown')
| -rw-r--r-- | ruby.html.markdown | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/ruby.html.markdown b/ruby.html.markdown index 2f4d0934..2635309b 100644 --- a/ruby.html.markdown +++ b/ruby.html.markdown @@ -17,6 +17,7 @@ contributors: - ["Jake Faris", "https://github.com/farisj"] - ["Corey Ward", "https://github.com/coreyward"] - ["Jannik Siebert", "https://github.com/janniks"] + - ["Keith Miyake", "https://github.com/kaymmm"] --- ```ruby @@ -83,9 +84,9 @@ false.class #=> FalseClass # Combined comparison operator (returns `1` when the first argument is greater, # `-1` when the second argument is greater, and `0` otherwise) -1 <=> 10 #=> -1 -10 <=> 1 #=> 1 -1 <=> 1 #=> 0 +1 <=> 10 #=> -1 (1 < 10) +10 <=> 1 #=> 1 (10 > 1) +1 <=> 1 #=> 0 (1 == 1) # Logical operators true && false #=> false @@ -188,8 +189,11 @@ array[2, 3] #=> [3, 4, 5] array[1..3] #=> [2, 3, 4] # You can reverse an Array. +# Return a new array with reversed values +[1,2,3].reverse #=> [3,2,1] +# Reverse an array in place to update variable with reversed values a = [1,2,3] -a.reverse! #=> [3,2,1] +a.reverse! #=> a==[3,2,1] because of the bang ('!') call to reverse # Like arithmetic, [var] access is just syntactic sugar # for calling a method '[]' on an object. |