1berry/ruby
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Simplify example code for Enumerable#each_with_object

Browse Source
This commit is contained in:
Colin Hart 2022-04-25 15:32:29 -04:00 committed by GitHub
parent 5c61caa481
commit 9e8841e592
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
Notes: git 2022-04-26 04:32:58 +09:00 
Merged: https://github.com/ruby/ruby/pull/5825

Merged-By: jeremyevans <code@jeremyevans.net>
1 changed files with 4 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
enum.c
View File

@ -3098,8 +3098,10 @@ each_with_object_i(RB_BLOCK_CALL_FUNC_ARGLIST(i, memo))
* Calls the block once for each element, passing both the element * Calls the block once for each element, passing both the element
* and the given object: * and the given object:
* *
* (1..4).each_with_object([]) {|i, a| a.push(i**2) } # => [1, 4, 9, 16] * (1..4).each_with_object([]) {|i, a| a.push(i**2) }
* h.each_with_object({}) {|element, h| k, v = *element; h[v] = k } * # => [1, 4, 9, 16]
*
* {foo: 0, bar: 1, baz: 2}.each_with_object({}) {|(k, v), h| h[v] = k }
* # => {0=>:foo, 1=>:bar, 2=>:baz} * # => {0=>:foo, 1=>:bar, 2=>:baz}
* *
* With no block given, returns an Enumerator. * With no block given, returns an Enumerator.