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							USING: grouping tools.test kernel sequences arrays ;
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							IN: grouping.tests
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							 | 
							
							
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							 | 
							
							[ { 1 2 3 } 0 group ] must-fail
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							 | 
							
							
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							[ { "hell" "o wo" "rld" } ] [ "hello world" 4 group ] unit-test
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							 | 
							
							
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							 | 
							
							[ { V{ "a" "b" } V{ f f } } ] [
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							 | 
							
							    V{ "a" "b" } clone 2 <groups>
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							 | 
							
							    2 over set-length
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							 | 
							
							    >array
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							 | 
							
							] unit-test
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