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| author | Divay Prakash <divayprakash@users.noreply.github.com> | 2019-09-17 19:27:44 +0530 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-09-17 19:27:44 +0530 |
| commit | c3cc7cc7b23a5306b3b3c27b7d56e99ee968f510 (patch) | |
| tree | c75378e792a95bd8beb3ee5751fa461d59c65092 /ruby.html.markdown | |
| parent | a808656085b040c89a8a94677fb7e38f03a3e374 (diff) | |
| parent | 4a14d54eb520f9776710102bfec740467b549745 (diff) | |
Merge pull request #3621 from VorontsovIE/ruby-postfix-if
[ruby/ru] [ruby/en] notes about postfix-if and `unless`
Diffstat (limited to 'ruby.html.markdown')
| -rw-r--r-- | ruby.html.markdown | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/ruby.html.markdown b/ruby.html.markdown index 2595d1d5..d77672ab 100644 --- a/ruby.html.markdown +++ b/ruby.html.markdown @@ -247,6 +247,14 @@ else 'else, also optional' end +# If a condition controls invokation of a single statement rather than a block of code +# you can use postfix-if notation +warnings = ['Patronimic is missing', 'Address too short'] +puts("Some warnings occurred:\n" + warnings.join("\n")) if !warnings.empty? + +# Rephrase condition if `unless` sounds better than `if` +puts("Some warnings occurred:\n" + warnings.join("\n")) unless warnings.empty? + # Loops # In Ruby, traditional `for` loops aren't very common. Instead, these # basic loops are implemented using enumerable, which hinges on `each`. |