Slide 24
Slide 24 text
2. ͕ى͖͍ͯΔΫϥεΛখ͘͢͞Δ
͕ى͖͍ͯΔϞσϧͱ֘ߦಛఆͰ͖ͨͷͷɺ͕ى͖ͯ
͍ͨΫϥε࣮͕ଟ͘Կ͕ݪҼͳͷ͔அͰ͖ͣɻ
ରॲɿ֘Ϟσϧͷ࣮Λย͔ͬΒআ͢Δ ✂
݁Ռɿ
͕ى͖͍ͯͨߦΛғΉ with_options Ҏ֎શͯͷ࣮Λফͯ͠࠶ݱͨ͠
ͷͰ with_options ͕ո͍͜͠ͱ͕͔ͬͨ 🎉
͖ͪΜͱ validates ϝιουʹ presence ΦϓγϣϯΛ͍ͯ͠Δͷʹ
validate ϝιουʹͨ͜͠ͱʹͳ͍ͬͯΔɻԿ͕ى͖͍ͯΔΜͩ...