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author | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-15 13:56:19 +0000 |
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committer | nagachika <nagachika@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2013-09-15 13:56:19 +0000 |
commit | 89cb510822affcb5f2d5d988092005610dd6ebe8 (patch) | |
tree | f636c4b1e89b5206799c0563f6ebe3cbf8fef5a0 /hash.c | |
parent | 64eeb5f3029e85e5edfefa0957547501b7417c12 (diff) |
merge revision(s) 42555: [Backport #8911]
* hash.c (rb_hash_aset): [DOC] Document key dup patch by @kachick
[Fixes GH-382] https://github.com/ruby/ruby/pull/382
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@42945 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'hash.c')
-rw-r--r-- | hash.c | 17 |
1 files changed, 12 insertions, 5 deletions
@@ -1172,17 +1172,24 @@ static NOINSERT_UPDATE_CALLBACK(hash_aset_str) * hsh[key] = value -> value * hsh.store(key, value) -> value * - * Element Assignment---Associates the value given by - * <i>value</i> with the key given by <i>key</i>. - * <i>key</i> should not have its value changed while it is in - * use as a key (a <code>String</code> passed as a key will be - * duplicated and frozen). + * == Element Assignment + * + * Associates the value given by +value+ with the key given by +key+. * * h = { "a" => 100, "b" => 200 } * h["a"] = 9 * h["c"] = 4 * h #=> {"a"=>9, "b"=>200, "c"=>4} * + * +key+ should not have its value changed while it is in use as a key (an + * <tt>unfrozen String</tt> passed as a key will be duplicated and frozen). + * + * a = "a" + * b = "b".freeze + * h = { a => 100, b => 200 } + * h.key(100).equal? a #=> false + * h.key(200).equal? b #=> true + * */ VALUE |