[py2rb] sliceクラス - Qiita

s = slice(0, 10, 3) print(type(s)) a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10][s] # a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10][s.start:s.stop:s.step] print(a) # <class 'slice'> # [1, 4, 7, 10] slice = Struct.new(:start, :stop, :step) s = slice.new(0, 5, 3) puts s puts s.class puts s.instance_of?(slice) a = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10][s.start, s.stop] print(a) # #<struct start=0, stop=5, step=3> # #<Class:0x0