% go test -v === RUN TestCaller 2015/09/14 17:57:33 375167 /Users/otiai10/proj/go/src/covsample/sample.go 9 true --- PASS: TestCaller (0.00s) PASS ok covsample 0.004s
% go test -v -cover === RUN TestCaller 2015/09/14 17:57:39 376617 covsample/_test/_obj_test/sample.go 10 true --- PASS: TestCaller (0.00s) PASS coverage: 100.0% of statements ok covsample 0.004s
// たぶんtestingの仕様なのであとでしらべる
DRY
