Add missing ENV#{filter,filter!} aliases for select and select!.

Author: nirvdrum

CHANGELOG.md

@@ -13,8 +13,9 @@ Compatibility:
 * Implemented `Integer#{allbits?,anybits?,nobits?}`.
 * `Integer#{ceil,floor,truncate}` now accept a precision and `Integer#round` accepts a rounding mode.
 * Added missing `Enumerable#filter` and `Enumerator::Lazy#filter` aliases to the respective `select` method (#1610).
-* Implement more `Ripper` methods as no-ops (#1694).
+* Implemented more `Ripper` methods as no-ops (#1694).
 * Implemented `rb_enc_sprintf` (#1702).
+* Implemented `ENV#{filter,filter!}` aliases for `select` and `select!`.
 
 Changes:
 

spec/tags/core/env/filter_tags.txt

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-# Copyright (c) 2016, 2018 Oracle and/or its affiliates. All rights reserved. This
+# Copyright (c) 2016, 2019 Oracle and/or its affiliates. All rights reserved. This
 # code is released under a tri EPL/GPL/LGPL license. You can use it,
 # redistribute it and/or modify it under the terms of the:
 #
@@ -245,6 +245,7 @@ def select(&blk)
       return to_enum { size } unless block_given?
       to_hash.select(&blk)
     end
+    alias_method :filter, :select
 
     def to_a
       ary = []
@@ -292,6 +293,7 @@ def select!
       return to_enum(:select!) { size } unless block_given?
       reject! { |k, v| !yield(k, v) }
     end
+    alias_method :filter!, :select!
 
     def assoc(key)
       key = StringValue(key)