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思いつきでgemを作ると後悔する話
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Takuya Okuhara
November 09, 2017
Programming
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思いつきでgemを作ると後悔する話
表参道.rb #28 ~gem~
Takuya Okuhara
November 09, 2017
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Transcript
ࢥ͍͖ͭͰHFNΛ࡞Δͱ ޙչ͢Δ Ԟݪ
ΞδΣϯμ ࣗݾհ ܖػ ϩάूܭ༻HFN ѱ͔ͬͨ ྑ͔ͬͨ
ࣗݾհ
ࣗݾհ !PLVUBLV ੜ·Ε ࡛ۄݝຊঙࢢग़ αʔόʔαΠυΤϯδχΞ 3BJMTྺఔʢେֶੜ͔Βʣ "1*ཧαΠτΩϟϦΞ࿈ܞ େֶӃͰੜԽֶઐ߈ʢதୀʣ ଔۀݚڀʮ"51࠶ੜܥΛڞͤͨ͞-άϧλϛϯͱ-Ξε ύϥΪϯͷੜ࢈ʯ
EFMZʹδϣΠϯ ٳΧϑΣͰ1$ΛΧλΧλ ݶΓͳ͘Ջ झຯ୳͠த ΦϑΟεͰೣΛࣂ͍͍ͨ
ܖػ
ܖػ ύϑΥʔϚϯεվળΛ͍ͨ͠ʂ ɾࠓ·ͰͷLVSBTIJSV ɹ⿏Ξϥʔτۦಈ։ൃϘτϧωοΫ͕ݟ͔ͭͬͨΒ௵͢ ɹ⿏ຊࠊΛೖΕͯվળ͢ΔϦιʔε͕ރׇ ɾ͜Ε͔ΒͷLVSBTIJSV ɹ⿏ύϑΥʔϚϯεΛৗʹଌఆ ɹ⿏ఆظతʹϦϑΝΫλϦϯάΛ࣮ࢪ ɹ⿏ج४Λઃ͚ͯɺͦΕΛӽ͑ͨΒௐࠪͱվળ
ܭଌ͠Α͏ʂ
ܭଌπʔϧ ɾύϑΥʔϚϯεଌఆ ɹ⿏/FX3FMJDͷಋೖ ɹ⿏ಋೖ͕؆୯͗ͯ͢ಋೖ͠ͳ͍ཧ༝͕ͳ͔ͬͨ ɹ⿏ػೳ͕͋Γ͗ͯ͢ษڧத ɾৄࡉͳϩά͕Γ͍ͨʂ ɹ⿏/FX3FMJDͰͦ͜·ͰΘ͔Βͳ͍ʁ ɹ⿏HFNΛ୳͚ͨ͠Ͳɺͺͬͱݟ͔ͭΒͳ͔ͬͨ ɹɹ࡞ͬͪΌ͓͏ʂ
࡞ͬͨHFN
$SPRVF IUUQTHJUIVCDPNPLVUBLVDSPRVF ɾ༝དྷʮΫϩοΫϜογϡʯ ɹ⿏ಛʹཧ༝ͳ͍ʜ ɾԿΛͬͯ͘ΕΔ͔ ɹ⿏ࢦఆ͞ΕͨϩάΛूܭͯ͠ϥϯΩϯάΛ࡞ ɹ⿏ϥϯΩϯά͔ΒݸʑͷϩάใΛऔಘ ɹ⿏ͲͷΑ͏ͳॲཧ͕ߦΘΕ͔ͨ֬ೝͰ͖Δॏཁ
$SPRVF ϩάϑΝΠϧ͔Β֘͢ΔͷσʔλΛऔಘ TFWFSJUZΛΩʔʹҰ࿈ͷॲཧΛ·ͱΊͯɺ66*%Λ༩ * <5>*/'04UBSUFE(&5GPSBU * <5>*/'01SPDFTTJOHCZ3BJMT8FMDPNF$POUSPMMFSJOEFYBT)5.- * <5>*/'04UBSUFE(&5EFNP
UPNBUPEFMJDJPVTLZPVIBIBSFGPSBU * <5>*/'0$PNQMFUFE0,JONT 7JFXTNT * <5>*/'01SPDFTTJOHCZ3BJMT8FMDPNF$POUSPMMFSJOEFYBT)5.- * <5>*/'0$PNQMFUFE0,JONT 7JFXTNTc"DUJWF3FDPSENT ॲཧ࣌ؒॱʹιʔτͯ͠ɺϥϯΩϯάΛ࡞ ϥϯΩϯάҰཡ͔Β֤ॲཧΛऔಘ͢Δ͜ͱͰ༰Λ֬ೝՄೳ
͜Μͳײ͡
ѱ͔ͬͨ
ѱ͔ͬͨ ɾ͍Ͱ࡞ͬͯ͠·ͬͯɺଞͷιϦϡʔγϣϯ͕͋Δͷ͔ਫ਼ࠪ͠ͳ͔ͬͨ ɹ⿏࡞ۀ࣌ؒਖ਼ຯ͘Β͍ ɹ⿏/FX3FMJDͰࣄΓ͔ͨ ɾॲཧ͕ॏ͗ͯ͢ऴΘΒͳ͍ ɹ⿏ݱ࣮తʹඦ.#ͷϑΝΠϧ͔͠ѻ͑ͳ͍ ɹ⿏ͦͦ3VCZͰΔ͜ͱ͕ؒҧ͍͔ͩͬͨ
ྑ͔ͬͨ
ྑ͔ͬͨ ɾॲཧΛৄࡉʹ͑ΔͷͰɺͲ͜ͰԿΛ͍ͯ͠Δͷ͔໌֬ ɹ⿏֤ॲཧʹཁͨ࣌ؒ͠ΛͤΔ ɹ⿏վળϑϩʔʹΈࠐΊΔ͔ ɾͦ͜·Ͱਂ͍࣮ͤͣɺ࣮ݱͰ͖ͨ ɾਖ਼نදݱʹͪΐͬͱৄ͘͠ͳͬͨ
ॴײ
ॴײ ɾHFNͦΜͳʹ͘͠ߟ͑Δ͜ͱͰͳ͍ ɹ⿏ϓϩδΣΫτ෦Ͱ͍ͬͯΔϥΠϒϥϦΛެ։͢ΔΑ͏ͳͷ ɹ⿏ެ։͢Δ͔൱͔ͷϋʔυϧ͕ߴ͍ ɹ⿏ެ։͢Δʹ͋ͨΓɺҰൠԽͤ͟ΔΛಘͳ͍هड़͕͋Δ ɾ෭࢈͕ଟ͍ ɹ⿏ଞਓͷίʔυΛಡΉػձ͕ࣗͣͱଟ͘ͳΔ ɹ⿏ͦ͏͍͏࣮ͩͬͨͷ͔ͱ͍͏ؾ͖͕ͮଟ͍ ɹ⿏ͦͷண͔Βීஈͷۀͷ্࣭͕͕Δ
એ
None
͝੩ௌ͋Γ͕ͱ͏͍͟͝·͢ʂ