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require_relative 'helper'
module Psych
class TestMergeKeys < TestCase
# [ruby-core:34679]
def test_merge_key
yaml = <<-eoyml
foo: &foo
hello: world
bar:
<< : *foo
baz: boo
eoyml
hash = {
"foo" => { "hello" => "world"},
"bar" => { "hello" => "world", "baz" => "boo" } }
assert_equal hash, Psych.load(yaml)
end
end
end
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