stomar	2018-11-04 20:46:49 +0900 (Sun, 04 Nov 2018)

  New Revision: 65534

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=65534

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

  Modified files:
    trunk/hash.c
Index: hash.c
===================================================================
--- hash.c	(revision 65533)
+++ hash.c	(revision 65534)
@@ -5086,10 +5086,14 @@ env_values_at(int argc, VALUE *argv) https://github.com/ruby/ruby/blob/trunk/hash.c#L5086
  * 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) https://github.com/ruby/ruby/blob/trunk/hash.c#L5123
  * 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)

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