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author | stomar <stomar@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-11-07 20:17:04 +0000 |
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committer | stomar <stomar@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2017-11-07 20:17:04 +0000 |
commit | 072bef600b68353a34e60f57a68f8d61a36d57a4 (patch) | |
tree | f9145b61a1442e53923e7349acc1f70e6d6e3f2b | |
parent | c69e7c93a5b9bf6ed7945e4e3ef4dc6d282c0e0a (diff) | |
download | ruby-072bef600b68353a34e60f57a68f8d61a36d57a4.tar.gz |
hash.c: improve docs for Hash#slice
* hash.c: [DOC] clarify description for Hash#slice and remove
a sentence that might suggest that the receiver is modified;
improve example to also include a case where a hash with
several elements is returned.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60713 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
-rw-r--r-- | hash.c | 9 |
1 files changed, 4 insertions, 5 deletions
@@ -1329,12 +1329,11 @@ rb_hash_reject(VALUE hash) * call-seq: * hsh.slice(*keys) -> a_hash * - * Slices a hash to include only the given keys. - * Returns a hash containing the given keys. + * Returns a hash containing only the given keys and their values. * - * h = { "a" => 100, "b" => 200, "c" => 300 } - * h.slice("a") #=> {"a"=>100} - * h.slice("c", "d") #=> {"c"=>300} + * h = { a: 100, b: 200, c: 300 } + * h.slice(:a) #=> {:a=>100} + * h.slice(:b, :c, :d) #=> {:b=>200, :c=>300} */ static VALUE |