e$B>>Hx$H$$$$$^$9!#e(B1.9e$B$GHO0O1i;;;R$Ne(B===e$B$,$&$^$/F/$$$F$$$J$$$h$&$G$9!#e(B
ruby 1.9.0 (2007-07-24 patchlevel 0) [i386-mswin32_80]
(“a”…“z”) .include? “g” #=>true
(Time.at(0)…Time.at(100)).include?Time.at(50) #=>true
(“a”…“z”) === “g” #=>false
(Time.at(0)…Time.at(100))===Time.at(50) #=>false
ruby 1.8.6 (2007-06-07 patchlevel 36) [i386-mswin32]
(“a”…“z”) .include? “g” #=>true
(Time.at(0)…Time.at(100)).include?Time.at(50) #=>true
(“a”…“z”) === “g” #=>true
(Time.at(0)…Time.at(100))===Time.at(50) #=>true
e$B@0?t!&>.?t$NHO0O$OBg>fIW$J$h$&$G$9!#e(B
(4…8) === 5 #=>true
(4.0…8.4) === 5.1 #=>true