Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
Option Type
Search
wagyu298
June 01, 2016
Programming
0
1.2k
Option Type
Swift Option Type pitfalls
wagyu298
June 01, 2016
Tweet
Share
More Decks by wagyu298
See All by wagyu298
Swagger Codegen
wagyu298
1
2.7k
HTTP/2 Mobile
wagyu298
0
960
Android VM
wagyu298
0
680
process.nextTick differences between node-v0.8 and node-v0.11
wagyu298
1
1.7k
Other Decks in Programming
See All in Programming
あなたとJIT, 今すぐアセンブ ル
sisshiki1969
1
700
#QiitaBash TDDで(自分の)開発がどう変わったか
ryosukedtomita
1
370
Constant integer division faster than compiler-generated code
herumi
2
670
Understanding Ruby Grammar Through Conflicts
yui_knk
1
120
kiroでゲームを作ってみた
iriikeita
0
180
コンテキストエンジニアリングで変わるAI活用 リファクタリングワークフローの実践から学んだ形式知
leveragestech
0
100
Webinar: AI-Powered Development: Transformiere deinen Workflow mit Coding Tools und MCP Servern
danielsogl
0
130
Infer入門
riru
4
1.5k
ライブ配信サービスの インフラのジレンマ -マルチクラウドに至ったワケ-
mirrativ
1
250
あまり知られていない MCP 仕様たち / MCP specifications that aren’t widely known
ktr_0731
0
280
DataformでPythonする / dataform-de-python
snhryt
0
180
DockerからECSへ 〜 AWSの海に出る前に知っておきたいこと 〜
ota1022
5
1.7k
Featured
See All Featured
Evolution of real-time – Irina Nazarova, EuRuKo, 2024
irinanazarova
8
890
Build your cross-platform service in a week with App Engine
jlugia
231
18k
The MySQL Ecosystem @ GitHub 2015
samlambert
251
13k
KATA
mclloyd
32
14k
Balancing Empowerment & Direction
lara
2
580
Being A Developer After 40
akosma
90
590k
Stop Working from a Prison Cell
hatefulcrawdad
271
21k
Embracing the Ebb and Flow
colly
86
4.8k
How STYLIGHT went responsive
nonsquared
100
5.7k
Visualization
eitanlees
146
16k
The Cult of Friendly URLs
andyhume
79
6.5k
Responsive Adventures: Dirty Tricks From The Dark Corners of Front-End
smashingmag
251
21k
Transcript
0QUJPO5ZQF !XBHZV
ࠓͷϙΠϯτ w ओʹ4XJGUͷ͠·͢ w ࠷ۙͷ/VMM͕ೖͰ͖ͳ͍ϓϩάϥϛϯάݴޠ͕૿͑ͯΔ w )BTLFMM 4DBMB ' 3VTU
4XJGU ,PUMJO FUD w ࣮ݱ͢ΔΈͷҰ͕ͭ0QUJPO5ZQF w ʢ4XJGUͰ0QUJPOBMɺ,PUMJOͰ/VMMBCMFͱݴ͍·͢ʣ w ࠷ۙͷྲྀߦΓͳͷͰ+BWB4DSJQUͱ͔ʹ͖͡ʹೖΔ͔ w ϥΠϒϥϦϕʔεͩͱOPEFPQUJPOTͱ͔͋ΔΜ͚ͩͲݴޠαϙʔτ͕ͳ͍ ͱ͠ΜͲ͍ w ͬͯΈΔͱͪΐ͍ͪΐ͍τϥοϓ͕͋ΔͷͰͦͷลΛڞ༗
CJMMJPOEPMMBSNJTUBLF w *DBMMJUNZCJMMJPOEPMMBSNJTUBLF*UXBTUIFJOWFOUJPOPGUIFOVMMSFGFSFODFJO"U UIBUUJNF *XBTEFTJHOJOHUIFpSTUDPNQSFIFOTJWFUZQFTZTUFNGPSSFGFSFODFTJOBO PCKFDUPSJFOUFEMBOHVBHF "-(0-8 .ZHPBMXBTUPFOTVSFUIBUBMMVTFPGSFGFSFODFT TIPVMECFBCTPMVUFMZTBGF XJUIDIFDLJOHQFSGPSNFEBVUPNBUJDBMMZCZUIFDPNQJMFS#VU*
DPVMEOUSFTJTUUIFUFNQUBUJPOUPQVUJOBOVMMSFGFSFODF TJNQMZCFDBVTFJUXBTTPFBTZ UPJNQMFNFOU5IJTIBTMFEUPJOOVNFSBCMFFSSPST WVMOFSBCJMJUJFT BOETZTUFNDSBTIFT XIJDIIBWFQSPCBCMZDBVTFEBCJMMJPOEPMMBSTPGQBJOBOEEBNBHFJOUIFMBTUGPSUZZFBST w ͦΕԯυϧʹ૬͢ΔࢲͷޡΓͩɻOVMMࢀরΛൃ໌ͨ͠ͷͷ͜ͱͩͬͨɻ࣌ɺ ࢲΦϒδΣΫτࢦݴޠ "-(0-8 ʹ͓͚ΔࢀরͷͨΊͷแׅతܕγεςϜΛઃܭ͍ͯͨ͠ɻ ඪɺίϯύΠϥͰͷࣗಈνΣοΫͰશͯͷࢀর͕શʹ҆શͰ͋Δ͜ͱΛอূ͢Δ͜ͱͩͬ ͨɻ͔͠͠ɺࢲ୯ʹͦΕ͕༰қͩͱ͍͏͚ͩͰɺແޮͳࢀরΛؚΊΔ༠ʹ߅Ͱ͖ͳ͔ͬͨɻ ͜Εɺޙʹ͑Εͳ͍աͪɺ੬ऑੑɺγεςϜΫϥογϡΛҾ͖ى͜͠ɺաڈؒͰ ԯυϧ૬ͷۤ௧ͱଛΛҾ͖ىͨ͜͠ͱΈΒΕΔɻ w IUUQXXXJOGPRDPNQSFTFOUBUJPOT/VMM3FGFSFODFT5IF#JMMJPO%PMMBS.JTUBLF5POZ )PBSF
4XJGU w 4XJGUJTBHFOFSBMQVSQPTFQSPHSBNNJOH MBOHVBHFCVJMUVTJOHBNPEFSOBQQSPBDIUP TBGFUZ QFSGPSNBODF BOETPGUXBSFEFTJHO QBUUFSOT w IUUQTTXJGUPSHBCPVU
ҎԼɺ4XJGUͷσϞΛ ަ͑ͳ͕Βߦ͖·͢
/VMMFSSPS w 4XJGUͷී௨ OPOPQUJPOBM ͷม/VMMඇڐ༰Ͱ͢ w 4XJGUͰOJM͕/VMMͰ͢ w OJMΛมʹೖ͢ΔͱΤϥʔʹͳΓ·͢ w
దʹ4XJGU৮Δͱଟ࠷ॳʹૺ۰͢ΔίϯύΠϥΤϥʔ w Α͔ͬͯ͘ͳ͍ͱΠϥΠϥ͢Δ w 4XJGUݴޠʹΈࠐ·Ε͍ͯΔػೳͰ͢
/VMMFSSPS WBSTUS4USJOHOJM
ॳظԽ w มඇOJMͰॳظԽ͠·͢ w ʢͪͳΈʹ4XJGUͰWBS͕WBSJBCMFɺMFU͕ DPOTUBOUͳͷͰ͕͢ɺҰൠతͳมʗఆͱ؆୯ ʹଊ͑Δͱ৭ʑ͍͕͋͜͠Γ·͢ͷͰɺWBS MFUΛ۠ผͤͣมͱදه͍ͯ͠·͢ʣ
ॳظԽ WBSTUS4USJOHl999z
0QUJPOBM w OJMͰॳظԽ͍ͨ͠߹0QUJPOBMܕมΛ༻ ͠·͢ w ܕͷޙΖʹ Λ͚Δͱ0QUJPOBMܕมʹͳΓ· ͢
0QUJPOBM WBSTUS4USJOH OJM QSJOU TUS
0QUJPOBM w ඇ0QUJPOBMܕมʹ0QUJPOBMܕมΛೖ͢Δ ͜ͱͰ͖·ͤΜ w 4XJGUΛͬͯదʹίʔσΟϯά͢Δͱଟ࠷ॳ ʹૺ۰͢Δҙຯෆ໌ͳίϯύΠϥΤϥʔ
0QUJPOBM GVODG TUS4USJOH \ QSJOU TUS ^ WBSTUS4USJOH OJM
G TUS
6OXSBQ w 0QUJPOBMܕม͔Βඇ0QUJPOBMܕͷΛऔΓग़ ͢͜ͱΛ4XJGUͰ6OXSBQͱݺͼ·͢ɻ w 6OXSBQ͢Δʹ0QUJPOBMܕมͷޙΖʹΛ ͚·͢ɻ
6OXSBQ GVODG TUS4USJOH \ QSJOU TUS ^ WBSTUS4USJOH """
G TUS
0QUJPOBM$IBJOJOH w 0QUJPOBMܕมͷϝϯό 1SPQFSUZNFUIPE ʹ ҆શʹΞΫηε͢Δํ๏Ͱ͢ɻ w 0QUJPOBMมͷޙΖʹ Λ͚ͯϝϯόʹΞΫη ε͢ΔͱɺOJMඇOJMΘͣϝϯόʹΞΫηεͰ͖
·͢ɻ
0QUJPOBM$IBJOJOH DMBTT5\ WBSTUS4USJOH999 ^ WBSU5 5 WBSTUSU TUS QSJOU
TUS UOJM TUSU TUS QSJOU TUS
0QUJPOBM$IBJOJOH w 0QUJPOBM$IBJOJOH͕ฦ͢0QUJPOBMܕʹͳΓ ·͢ w 0QUJPOBM$IBJOJOHͰऔಘͨ͠Λඇ0QUJPOBMܕ มඇ0QUJPOBMܕҾΛड͚औΔؔʹͦ͏ ͱ͢ΔͱίϯύΠϧΤϥʔ͕ൃੜ͠·͢ w 4XJGU͕͔͖ͬͯͨͱࢥ͏͜Ζʹૺ۰͢Δͱࢥ
͍·͢
0QUJPOBM$IBJOJOH DMBTT5\ WBSTUS4USJOH999 ^ GVODG T4USJOH \ QSJOU T
^ WBSU5 5 G U TUS
0QUJPOBM$IBJOJOH w ༨ஊͰ͕͢ w ͋͘·Ͱ0QUJPOBM$IBJOJOHͳͷͰඌ ʹ͚Ε·ͤΜ w $P⒎FF4DSJQUॻ͍ͯΔͱΑ͔͘Βͳ͘ͳΔ w 6OXSBQͳͷ͚Ε·͢
0QUJPOBM$IBJOJOH DMBTT5\ WBST4USJOH 99 ^ WBSD5 WBSTDT WBSUDT
JGMFUHVBSEFMTF w 0QUJPOBMܕͷม0QUJPOBM$IBJOJOHͨ͠ʹ ҆શʹΞΫηε͍ͨ͠߹JGMFU͔HVBSEFMTF ߏจ͕ศརͰ͢
JGMFU DMBTT5\ WBSTUS4USJOH999 ^ GVODG T4USJOH \ QSJOU T
^ WBSU5 5 JGMFUTU TUS\ G T ^
HVBSEFMTF GVODG T4USJOH \ HVBSEMFUUTFMTF\ SFUVSO ^ QSJOU U
^ G OJM
*NQMJDJUMZ6OXSBQQFE 0QUJPOBM w *NQMJDJUMZ҉త w ͱ͔ Λॻ͔ͳͯ͘ɺ҉తʹ6OXSBQ͞Ε Δ0QUJPOBMܕͷ͜ͱͰ͢
*NQMJDJUMZ6OXSBQQFE 0QUJPOBM WBST4USJOHOJM JGTOJM\ QSJOU T ^
NPOBE w 0QUJPOBMܕʹNBQͱqBU.BQͱ͍͏ϝιου ͕ఆٛ͞Ε͍ͯ·͢ɻ w NBQ0QUJPOBMܕม͕ඇOJMΛ࣋ͭ߹ʹؔ Λద༻͠0QUJPOBMܕͰฦ͠·͢ɻ w qBU.BQ0QUJPOBMܕม͕ඇOJMΛ࣋ͭ߹ʹ ؔΛద༻͠ඇ0QUJPOBMܕͰฦ͠·͢ɻ
NPOBE WBST4USJOH 999 WBSUTNBQ\ """ ^ QSJOU U
UTqBU.BQ\ """ ^ QSJOU U WBSVTNBQ\ 0QUJPOBM4USJOH """ ^ QSJOU V UTqBU.BQ\ 0QUJPOBM4USJOH """ ^ QSJOU U
࣮໘ͷ w 0QUJPOBM*NQMJDJUMZ6OXSBQQFE0QUJPOBMܕม (FOFSJDͰ࣮͞Ε͍ͯ·͢ w ΛΘͣ(FOFSJDߏจͰมఆٛ͢Δ͜ ͱՄೳͰ͢ w 4XJGUʹݶΒͣଞͷݴޠࣅ༷ͨͳײ͡Ͱ͢
࣮໘ͷ WBST0QUJPOBM4USJOH""" WBSU*NQMJDJUMZ6OXSBQQFE0QUJPOBM4USJOH"""
ϓϩάϥϛϯάαϙʔτ w ͜ͷลͰOJMॳظԽΤϥʔͱ͔ग़ͯ͠·͢ w IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFS JODMVEFTXJGU"45 %JBHOPTUJDT4FNBEFG-- w IUUQTHJUIVCDPNBQQMFTXJGUCMPCNBTUFS MJC4FNB$4%JBHDQQ-
0QUJPO5ZQFͷఆٛ w 0QUJPO5ZQF/POF͔4PNF WBMVF Λฦ͢ 5BHHFE6OJPO λά͖ڞ༻ମ Ͱ͢ return: A
! A? = a 7! Just a bind: A? ! ( A ! B? ) ! B? = a 7! f 7! ( Nothing if a = Nothing f a0 if a = Just a0
͓ΘΓ