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add PrettyPrint::SingleLine#group_sub for compatibility #13

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add PrettyPrint::SingleLine#group_sub for compatibility #13

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5 changes: 5 additions & 0 deletions lib/prettyprint.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -544,6 +544,11 @@ def group(indent=nil, open_obj='', close_obj='', open_width=nil, close_width=nil
@first.pop
end

# Yields to the block, for compatibility
def group_sub
yield
end

# Method present for compatibility, but is a noop
def flush # :nodoc:
end
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