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-rw-r--r--activesupport/lib/active_support/core_ext/hash/slice.rb8
1 files changed, 4 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/slice.rb b/activesupport/lib/active_support/core_ext/hash/slice.rb
index 161b00dfb3..2bd0a56ea4 100644
--- a/activesupport/lib/active_support/core_ext/hash/slice.rb
+++ b/activesupport/lib/active_support/core_ext/hash/slice.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
class Hash
# Slices a hash to include only the given keys. Returns a hash containing
# the given keys.
@@ -19,9 +21,8 @@ class Hash
# valid_keys = [:mass, :velocity, :time]
# search(options.slice(*valid_keys))
def slice(*keys)
- keys.map! { |key| convert_key(key) } if respond_to?(:convert_key, true)
- keys.each_with_object(self.class.new) { |k, hash| hash[k] = self[k] if has_key?(k) }
- end
+ keys.each_with_object(Hash.new) { |k, hash| hash[k] = self[k] if has_key?(k) }
+ end unless method_defined?(:slice)
# Replaces the hash with only the given keys.
# Returns a hash containing the removed key/value pairs.
@@ -29,7 +30,6 @@ class Hash
# { a: 1, b: 2, c: 3, d: 4 }.slice!(:a, :b)
# # => {:c=>3, :d=>4}
def slice!(*keys)
- keys.map! { |key| convert_key(key) } if respond_to?(:convert_key, true)
omit = slice(*self.keys - keys)
hash = slice(*keys)
hash.default = default