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Rubyの標準添付ライブラリを開発する
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Soutaro Matsumoto
May 24, 2024
Programming
2
150
Rubyの標準添付ライブラリを開発する
Nextbeat Tech Bar:第一回ライブラリ開発について考える会 (
https://nextbeat.connpass.com/event/312789/
)
Soutaro Matsumoto
May 24, 2024
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Transcript
3VCZͷ ඪ४ఴϥΠϒϥϦΛ։ൃ͢Δ দຊफଠ!TPVUBSP
!TPVUBSP w 3VCZίϛολʔ w 3VCZͷܕΛ͍ͬͯΔ w 4UFFQ w 3#4 w
גࣜձࣾλΠϛʔ দຊफଠ
3VCZͷඪ४ϥΠϒϥϦ
3VCZͷඪ४ϥΠϒϥϦ w ৄ͘͠3VCZ,BJHJͷ)JSPTIJ4)*#"5"ͷτʔΫΛݟͯ w IUUQTSVCZLBJHJPSHQSFTFOUBUJPOTITCUIUNMEBZ w πʔϧ w ྨ
πʔϧ w HFN w 3VCZ༻ͷϥΠϒϥϦͷ͜ͱ w 3VCZ(FN w HFNΛΠϯετʔϧ͢Δπʔϧɺϗετ͍ͯ͠ΔαʔϏε w
#VOEMFS w ͲͷHFNΛΠϯετʔϧ͢Δ͔ΛϓϩδΣΫτຖʹཧ͢Δπʔϧ
$ gem install rbs ↑ rbsͱ͍͏gemʢϥΠϒϥϦʣͱͦͷґଘΛΠϯετʔϧ $ bundle install ↑
Gemfileͱ͍͏ϑΝΠϧͷઃఆʹैͬͯɺϓϩδΣΫτ͕ґଘ͢ΔgemΛΠϯετʔϧ
#VOEMFSͷϦϦʔε )JSPTIJ4)*#"5" 3VCZ,BJHJ .BWFOͷϦϦʔε
ඪ४ఴϥΠϒϥϦͷྨ w ΈࠐΈFNCFEEFE w 4UBOEBSEMJCSBSZHFNʹͳ͍ͬͯͳ͍ϥΠϒϥϦͨͪ w %FGBVMUHFNT࠷ॳ͔ΒΠϯετʔϧ͞Ε͍ͯΔHFN w #VOEMFEHFNT࠷ॳ͔ΒΠϯετʔϧ͞Ε͍ͯΔHFN🤔
)JSPTIJ4)*#"5" 3VCZ,BJHJ
IUUQTHJUIVCDPNSVCZSVCZCMPCBEEEEFDGDDEFFEFGHFNTCVOEMFE@HFNT
SCTHFNͷ։ൃ
SCTHFNͷ։ൃ w 3VCZ͔Β#VOEMFEHFNͷҰͭ w 3VCZͱผͷϦϙδτϦͰɺ3VCZDPSFͱಠཱͯ͠։ൃΛߦ͍ɺ3VCZ DPSFͱಠཱͯ͠৽͍͠όʔδϣϯΛϦϦʔε͠ɺ3VCZΛΠϯετʔϧ͢Δ ͱಉ࣌ʹΠϯετʔϧ͞ΕΔ
ͦͦ3#4ͱ w 3VCZϓϩάϥϜͷܕΛදݱ͢Δ ͨΊͷݴޠͱͦͷॲཧΛ͢Δͨ ΊͷϥΠϒϥϦ w IUUQTHJUIVCDPNSVCZSCT w SCTHFNͷதʹɺ3VCZͷΈ ࠐΈϥΠϒϥϦͷܕఆ͕ٛೖͬ
͍ͯΔ
3#4ͷλʔήοτ w 3#4·ͩ։ൃ్தͳͷͰɺ3VCZΑΓසൟʹϦϦʔε͞ΕΔ w ͦͷͨΊ࠷৽ͷϦϦʔε൛3VCZ Λલఏͱͯ͠։ൃ͞Ε͍ͯΔ w 3#4ʹؚ·Ε͍ͯΔඪ४ϥΠϒϥϦͷܕϦϦʔε൛ͷ3VCZલఏ w
͞Βʹɺ։ൃ൛ͷ3VCZ ʹ3#4ؚ·ΕΔ w ͭ·Γʜʜʁʁʁ
·͋·͋յΕΔ
ͳΜͰյΕΔʁ w 3#4ͷΈࠐΈϥΠϒϥϦͷܕΛ֬ೝ͢Δςετ͕յΕΔ w SVCZSVCZϦϙδτϦͰ$*ͰCVOEMFEHFNͷςετΛ࣮ߦ͢ΔΑ͏ʹͳ ͍ͬͯΔ w ϝιου͕ফ͑ͨΓɺҾͷॲཧ͕ඍົʹมΘͬͨΓ͢Δ w ී௨ͷ3VCZϓϩάϥϜʹӨڹ͕ͳ͍͕ɺ3#4ͷςετʹӨڹ͢Δ
ྫ*0XBJUͷฦΓͷܕ͕มΘͬͨ w self | bool | nil͔ΒInteger | false |
nilʹͳͬͨ
͔ͳΓΊΜͲ͍͘͞ 3#4ͷςετΛमਖ਼͢Δ w 3#4ͷܕఆٛ։ൃ൛͕ϦϦʔε͞Ε͔ͯΒߋ৽͢Δ ৽͍͠3#4ΛϦϦʔε͢Δ ৽͘͠ϦϦʔεͨ͠3#4Λͬͯ3VCZͷ$*Λճ͢ ͬͯͳ͔ͬͨΒ͔ΒΓ͠
ରࡦ w SCTHFNΛϦϦʔε͠ͳͯ͘3VCZͷ$*ͰςετͰ͖ΔΑ͏ʹ͢Δ w ίϛοτΛॻ͍͓ͯ͘ͱɺͦΕΛͬͯςετ͢Δ w 3VCZͷ$*͕Δ͜ͱΛ֬ೝ͔ͯ͠ΒSCTHFNΛϦϦʔε͢Δ
ରࡦ w SVCZSVCZͷதʹ͋Δrbs_skip_testsΛฤू͢ΔͱɺSCTHFNͷςετ ΛεΩοϓͰ͖ΔΑ͏ʹͨ͠ w SCTHFNͷमਖ਼ΛͨͣʹSVCZSVCZͷ$*͕ΔΑ͏ʹͳͬͨ
·ͱΊ w ·͋·͋େม w ։ൃ൛ͷ3VCZͱϦϦʔε൛ͷ3VCZΛࠞͥΔͱ͜Ζʹແཧ͕͋Δ w ʮ҆ఆ͍ͯ͠ͳ͍͔Β3VCZΑΓߴසͰϦϦʔε͍ͨ͠ʯͱ͍͏ཁ͕݅ ࠔ͞Λ૿͍ͯ͠Δ w ݹ͔͘Β͋ΔϥΠϒϥϦΛHFNʹͨͭ͠ɺރΕ͍ͯΔͷͰͦΜͳʹେม
Ͱͳͦ͞͏