def from(argument, location = nil, content_type = nil)
location ||= Core::Test::Location.of_caller
case argument
when String
builder.doc_string(Core::Test::DocString.new(argument, content_type))
when Array
location = location.on_line(argument.first.line..argument.last.line)
builder.data_table(argument.map(&:cells), location)
when DataTable, DocString, None
argument
when nil
None.new
else
raise ArgumentError, "Don't know how to convert #{argument.class} #{argument.inspect} into a MultilineArgument"
end
end