Pipeline Operator

Transcript

1. 1JQFMJOF
   0QFSBUPS 0DU
   
   
   
   UD@TUVEZ
   !PLVOPLFOUBSP

2. ֓ཁ w IUUQTHJUIVCDPNUDQSPQPTBMQJQFMJOFPQFSBUPS
   w IUUQTEFWFMPQFSNP[JMMBPSHKBEPDT8FC+BWB4DSJQU 3FGFSFODF0QFSBUPST1JQFMJOF@PQFSBUPS
   w 4UBHF
   
   ʢ೥݄೔Α Γʣ

   
   w ೥݄Ҏ߱5$ͷٞࣄ࿥ʹ͸ग़ͯͣ͜

3. ԿΛ͢Δ΋ͷ͔ w c(b(a(x)))ͷTVHBS
   w x |> a |> b |>

   cͱॻ͚ΔΑ ͏ʹͳΔ
   w |>͕1JQFMJOF
   0QFSBUPS

4. ͳͥٻΊΒΕΔͷ͔ w ࣜͷ࿦ཧతͳߏ଄ԽΛॿ͚Δ
   w ࠨ͔Βӈ΁ಡΜͰ͍͚Δ
   w ෳࡶͳҾ਺ωε τ͸ಡΈʹ͘ ͘ σʔλϑϩʔΛղऍ͠ʹ͍͘
   

   w ݱࡏ͜ͷΑ ͏ʹಡΊΔίʔ υΛॻ͘ʹ͸ɺ υο τͰͷϝ ιο υνΣʔϯ͕ඞཁ
   w ͳͥؔ਺Ͱ͜Ε͕Ͱ͖ͳ͍ͷ͔ ʁ

5. ্͔ΒԼʹಡΊΔɺ Πϯσϯ τ΋ἧ͏

6. ݴޠతલྫ w '
   0$BNM
   &MJYJS
   &MN
   +VMJB
   )BDLͳͲͰ࠾༻
   w 5$
   1SPQPTBMͰ͸ಛʹ'ͷલྫ΍ߏจΛϕʔεʹ࢓༷ఏҊ͞Ε͍ͯΔ

7. Ҿ਺͕ͭҎ্ͷ৔߹͸ ʁ w ໭Γ஋Λɺ ࣍ͷؔ਺ͷҾ਺ͷͲͷҐஔʹ౉͢΂͖͔Ͱٞ࿦͞Ε͍ͯΔ
   w ΋ͱ͸'ϕʔε͕ͩͬͨ
 +BWB4DSJQU
   BXBJUͱͷ੔߹ੑʹ೉͋ΓͰΞϨϯδ͕͞Ε͍ͯΔ
   w ΞϨϯδͷ೿ൊ͕େ͖

   ͭ͋͘Γ
 1SPQPTBM
   
   1SPQPTBM
   ͱݺ͹ΕΔ

8. 1SPQPTBM
    'ߏจΛϕʔεʹBXBJU΋࢖͑ΔΑ ͏ ΞϨϯδ

9. 1SPQPTBM
    ˌه߸ͰҾ਺ͷ౉ΔҐஔΛࢦఆ͢Δ͜ͱΛඞਢͱͨ͠)BDLߏจελΠϧ

10. 1BSUJBM
    "QQMJDBUJPO 1BSUJBM
    "QQMJDBUJPO
    4UBHF
    
    ͱͷ૊Έ߹Θͤ΋ݕ౼
 ʢ͜Ε͸1JQFMJOF
    0QFSBUPS
    1SPQPTBM
    ʣ

11. ࠓ͙͢࢖͍͍ͨ৔߹ w npm install -D @babel/plugin-proposal-pipeline- operator
    w 'JSFGPY
    Ҏ߱ͳΒ͹
    --enable-pipeline-operator
    ϑϥά෇͖Ͱ
 ར༻Մೳ

12. ॴײ w 1SPQPTBM
    
    ʹ෼அͯ͠େมͦ͏
    w ೥Ն࣌఺Ͱɺ ߏจͷ޷Έ͚ͩͰͳ͘ॲཧܥͷޮ཰ʹ౿ΈࠐΜͩ
 ٞ࿦Λͯ͠ΔͷͰ΍Δؾ͸͋Γͦ͏
    w 3Y+4ʹ׳ΕͯΔͱཉ͘͠ͳΔؾ࣋ͪ͸෼͔Δ