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hash.c: [DOC] add docs for ENV.{filter,filter!}

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65534 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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stomar 2018-11-04 11:46:49 +00:00
parent 7633552b1d
commit 2c62b3fbc7
1 changed files with 8 additions and 0 deletions
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hash.c
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@ -5086,10 +5086,14 @@ env_values_at(int argc, VALUE *argv)
* call-seq:
* ENV.select { |name, value| block } -> Hash
* ENV.select -> Enumerator
* ENV.filter { |name, value| block } -> Hash
* ENV.filter -> Enumerator
*
* Returns a copy of the environment for entries where the block returns true.
*
* Returns an Enumerator if no block was given.
*
* ENV.filter is an alias for ENV.select.
*/
static VALUE
env_select(VALUE ehash)
@ -5119,8 +5123,12 @@ env_select(VALUE ehash)
* call-seq:
* ENV.select! { |name, value| block } -> ENV or nil
* ENV.select! -> Enumerator
* ENV.filter! { |name, value| block } -> ENV or nil
* ENV.filter! -> Enumerator
*
* Equivalent to ENV.keep_if but returns +nil+ if no changes were made.
*
* ENV.filter! is an alias for ENV.select!.
*/
static VALUE
env_select_bang(VALUE ehash)