Fix ProcNotation#to_s remove whitespace for nil output type
#10935
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straight-shoota
added
kind:bug
beta-ziliani
approved these changes
Jul 14, 2021
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When a block parameter type restriction's output type is
Nil, it prints as an empty output type ((->)). The formatter removes trailing whitespace in that case, while theToSVisitoralways adds whitespace. Thus there are two different formatting->and->.This patch adjust the
ToSVisitorto only add whitespace when the output type is not nil.Changing the formatter to always add whitespace would equally be possible.