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Ruby のことを深く理解できる本「Ruby Under a Microscope」のご紹介
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Nao Minami
March 23, 2017
Programming
480
1
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Ruby のことを深く理解できる本「Ruby Under a Microscope」のご紹介
第一回Megro.rb で、Ruby のことを深く理解できる本「Ruby Under a Microscope」のご紹介というタイトルで発表しました。
Nao Minami
March 23, 2017
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Transcript
3VCZͷ͜ͱΛਂ͘ཧղͰ͖Δຊ 3VCZ6OEFSB.JDSPTDPQF ͷ͝հ /BP.JOBNJ !TPVUI
ࣗݾհ
/BP.JOBNJ!TPVUI !NJOBNJP 4PGUXBSFFOHJOFFS !8BOUFEMZ *OD
w 3VCZ6OEFSB.JDSPTDPQFͱʁ w Կ͕ັྗʁ w Կֶ͕Δͷʁ w ·ͱΊ ࠓ͢༰
w 3VCZ6OEFSB.JDSPTDPQFͱʁ w Կ͕ັྗʁ w Կֶ͕Δͷʁ w ·ͱΊ ࠓ͢༰
3VCZ6OEFSB.JDSPTDPQFͱʁ w :"37 $3VCZͷԾϚγϯ w ΦϒδΣΫτɺΫϥεͷ෦දݱ w ϒϩοΫͷ࣮ w
FUD 3VCZͷ෦ಈ࡞Λઆ໌ͨ͠ຊ
3VCZ6OEFSB.JDSPTDPQFͱʁ ʮ3VCZͬͯԿΛͯ͠ΔΜͩΖ͏ʁʯ ͕͔ΔΑ͏ʹͳΔʂ
w 3VCZ6OEFSB.JDSPTDPQFͱʁ w Կ͕ັྗʁ w Կֶ͕Δͷʁ w ·ͱΊ ࠓ͢༰
3VCZ6OEFSB.JDSPTDPQFԿ͕ັྗʁ w 3VCZͷ෦Λ͍ͬͯΔͱɺʮԿނ͜ͷಈ࡞ʁʯ ʹ͑ΒΕΔʂ w 3VCZΛ௨ͯ͠ɺݴޠॲཧܥͷ࡞Γํ͕͔Δʂ
3VCZ6OEFSB.JDSPTDPQFԿ͕ັྗʁ 3VCZίϛολʔ͔Βධʂ
w 3VCZ6OEFSB.JDSPTDPQFͱʁ w Կ͕ັྗʁ w Կֶ͕Δͷʁ w ·ͱΊ ࠓ͢༰
3VCZ6OEFSB.JDSPTDPQFԿֶ͕Δʁ w 3VCZίʔυ࣮ߦ·ͰͷྲྀΕ w $3VCZͷԾϚγϯʮ:"37ʯ w +3VCZ 3VCJOJVTͱͷൺֱ 3VCZʹؔ͢ΔͭͷτϐοΫ
3VCZ6OEFSB.JDSPTDPQFԿֶ͕Δʁ w 3VCZίʔυ࣮ߦ·ͰͷྲྀΕ w $3VCZͷԾϚγϯʮ:"37ʯ w +3VCZ 3VCJOJVTͱͷൺֱ 3VCZʹؔ͢ΔͭͷτϐοΫ
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ w 3VCZίʔυ͔Β:"37໋ྩྻͷม w :"37͕:"37໋ྩྻΛ࣮ߦ
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ w 3VCZίʔυ͔Β:"37໋ྩྻͷม w :"37͕:"37໋ྩྻΛ࣮ߦ
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ 3VCZίʔυ͔Β:"37໋ྩྻͷม puts 2 + 2 3VCZίʔυ :"37ίʔυ putself putobject
2 putobject 2 opt_plus opt_send_simple <callinfo!mid:puts, argc:2…>
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ 3VCZίʔυ͔Β:"37໋ྩྻͷม puts 2 + 2 3VCZίʔυ :"37ίʔυ ͜͜ͰԿ͕ى͖Δͷ͔ʁ putself
putobject 2 putobject 2 opt_plus opt_send_simple <callinfo!mid:puts, argc:2…>
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ w UPLFOJ[Fͯ͠UPLFOྻม w QBSTFͯ͠"45࡞ w "45͔ΒDPNQJMFͯ͠:"37໋ྩੜ
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ UPLFOJ[Fͯ͠UPLFOม puts 2 + 2 identifier puts integer 2
integer 2 3VCZίʔυ UPLFOྻ operator +
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ QBSTFͯ͠"45 நߏจ ࡞ UPLFOྻ NODE_CALL + NODE_LIT 2 identifier
puts integer 2 integer 2 op + NODE_LIT 2 NODE_FCALL puts "45
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ "45͔ΒDPNQJMFͯ͠:"37໋ྩྻੜ NODE_CALL + NODE_LIT 2 NODE_LIT 2 NODE_FCALL puts
"45 putself putobject 2 putobject 2 opt_plus opt_send_simple <callinfo!mid:puts, argc:2…> :"37໋ྩྻ
3VCZͷUPLFOJ[F QBSTF DPNQJMFʹڵຯ͕ग़ͨΒ ଓ͖ʮ3VCZ6OEFSB.JDSPTDPQFʯͰʂ
3VCZίʔυ࣮ߦ·ͰͷྲྀΕ :"37໋ྩྻ ͦΕͧΕͷ໋ྩͰԿ͕ߦΘΕΔͷ͔ʁ putself putobject 2 putobject 2 opt_plus opt_send_simple
<callinfo!mid:puts, argc:2…>
3VCZ6OEFSB.JDSPTDPQFԿֶ͕Δʁ w 3VCZίʔυ࣮ߦ·ͰͷྲྀΕ w $3VCZͷԾϚγϯʮ:"37ʯ w +3VCZ 3VCJOJVTͱͷൺֱ 3VCZʹؔ͢ΔͭͷτϐοΫ
w ελοΫϚγϯͱͯ͠ಈ࡞͢ΔԾϚγϯ w +BWBʹ͓͚Δ+7.Έ͍ͨͳϠπ w :"37໋ྩྻʢ3VCZͷதؒදݱʣΛղऍͯ͠ಈ࡞ $3VCZͷԾϚγϯʮ:"37ʯ
$3VCZͷԾϚγϯʮ:"37ʯ ελοΫϚγϯ w ελοΫʹҾΛ1VTIͯؔ͠ݺͼग़͠ putobject 2 putobject 2 opt_plus :"37໋ྩྻ
ελοΫͷ1VTI ؔݺͼग़͠ 4UBDL1PJOUFS 41 :"37ͷ෦ελοΫ
$3VCZͷԾϚγϯʮ:"37ʯ putobject 2 putobject 2 opt_plus :"37໋ྩྻ ελοΫͷ1VTI ؔݺͼग़͠ ࠷ॳۭ
AQVUPCKFDUAΛ࣮ߦ 41 AQVUPCKFDUAΛ࣮ߦ APQU@QMVTAΛ࣮ߦ 41 41 41
$3VCZͷԾϚγϯʮ:"37ʯ :"37ͷಈ࡞ͱͯ͠৭ʑͳڍಈΛ࣮ݱ w #MPDLɺ1SPDΦϒδΣΫτ w SBJTFɺCSFBLʹΑΔେҬδϟϯϓ w ϨΩγΧϧείʔϓͱఆ୳ࡧɺϝιου୳ࡧ :"37͕ར༻͢Δ༷ʑͳσʔλߏ w
ΦϒδΣΫτɺΫϥεͷ෦දݱ w 3VCZͷίʔϧελοΫͷ࣮
:"37ʹڵຯ͕ग़ͨΒɺ ଓ͖ʮ3VCZ6OEFSB.JDSPTDPQFʯͰʂ
3VCZ6OEFSB.JDSPTDPQFԿֶ͕Δʁ w 3VCZίʔυ࣮ߦ·ͰͷྲྀΕ w $3VCZͷԾϚγϯʮ:"37ʯ w +3VCZ 3VCJOJVTͱͷൺֱ 3VCZʹؔ͢ΔͭͷτϐοΫ
+3VCZ 3VCJOJVTͱͷൺֱ +3VCZ 3VCJOJVT$3VCZͱ࣮ߦ࣌ͷڍಈ͕ҧ͏ʂ w +3VCZʜ+7.্Ͱ3VCZΛ࣮ߦ w .VMUJDPSFͷ4VQQPSU ڧྗͳ($ w
3VCJOJVTʜ$ Ͱॻ͔Εͨ7.ɺ3VCZͰதؒίʔυੜ w --7.Ͱ+*5ίϯύΠϧ
+3VCZ 3VOJOJVTʹڵຯ͕ग़ͨΒɺ ଓ͖ʮ3VCZ6OEFSB.JDSPTDPQFʯͰʂ
w 3VCZ6OEFSB.JDSPTDPQFͱʁ w Կ͕ັྗʁ w Կֶ͕Δͷʁ w ·ͱΊ ࠓ͢༰
·ͱΊ 3VCZ6OEFB.JDSPTDPQFɺ ʮ3VCZͬͯԿΛͯ͠ΔΜͩΖ͏ʁʯ ͕͔ΔΑ͏ʹͳΔͷͰΦεεϝʂ