diff options
| author | zverok <[email protected]> | 2019-10-24 19:35:36 +0300 |
|---|---|---|
| committer | Nobuyoshi Nakada <[email protected]> | 2019-10-26 14:58:08 +0900 |
| commit | bddb31bb37f878cf171f89ac54f7e43d7d59c444 (patch) | |
| tree | a332274fe4ac60ae0f8a60331769cf78ca3d8805 /doc/syntax/exceptions.rdoc | |
| parent | cf9344131c3d0f5993c6d999c427a4c656df30a2 (diff) | |
Documentation improvements for Ruby core
* Top-level `return`;
* Documentation for comments syntax;
* `rescue` inside blocks;
* Enhance `Object#to_enum` docs;
* Make `chomp:` option more obvious for `String#each_line` and
`#lines`;
* Enhance `Proc#>>` and `#<<` docs;
* Enhance `Processs` class docs.
Notes
Notes:
Merged: https://github.com/ruby/ruby/pull/2612
Diffstat (limited to 'doc/syntax/exceptions.rdoc')
| -rw-r--r-- | doc/syntax/exceptions.rdoc | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/syntax/exceptions.rdoc b/doc/syntax/exceptions.rdoc index a2e75616fb..7fd58c83e8 100644 --- a/doc/syntax/exceptions.rdoc +++ b/doc/syntax/exceptions.rdoc @@ -17,7 +17,14 @@ wish to limit the scope of rescued exceptions: # ... end -The same is true for a +class+ or +module+. +The same is true for, +class+, +module+, and +block+: + + [0, 1, 2].map do |i| + 10 / i + rescue ZeroDivisionError + nil + end + #=> [nil, 10, 5] You can assign the exception to a local variable by using <tt>=> variable_name</tt> at the end of the +rescue+ line: |