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About Type Syntax Proposal

Yosuke Kurami
May 14, 2022
Programming
1
1.5k

About Type Syntax Proposal

Yosuke Kurami

May 14, 2022
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Transcript

  1. 5ZQF4DSJQU͕&$."4DSJQUʹ ؚ·ΕΔ೔͕དྷΔ͔΋ʂ  

  2. 5ZQF4ZOUBY1SPQPTBM   https://github.com/tc39/proposal-type-annotations

  3. 5ZQF4ZOUBY1SPQPTBM w .JDSP4PGU͕5$ʹఏग़ͨ͠૲Ҋ ೥݄ݱࡏ͸4UBHF   https://devblogs.microsoft.com/typescript/a-proposal-for-type-syntax-in-javascript/

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    w 4FNBOUJDT ҙຯ ʹ͸Ұ੾౿Έࠐ·ͳ͍  

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    esnextͱಉ͜͡ͱΛ+BWB4DSJQUΤϯδϯଆ͕΍ͬͯ͘ ΕΔΠϝʔδ  

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  7. จ๏͕ඪ४Խ͞ΕΔҙຯ SE1BSUZ5SBOTQJMFS w ۙ೥ར༻͕౰ͨΓલʹͳΓͭͭ͋ΔɺCBCFM TXD FTCVJMEͳͲͷSEύʔς ΟτϥϯεύΠϥ w ͜ΕΒͷπʔϧ͸5ZQF4DSJQU༻ͷߏจղੳثΛ࣮૷͍ͯ͠Δ w

    จ๏ͷඪ४ԽʹΑΓɺ҆ఆͨ͠ߏจղੳ͕ߦ͑ΔΑ͏ʹͳΔ w Ϗϧυ༻ͷτϥϯεύΠϥʹٻΊΒΕ͍ͯΔͷ͸ʮܕΞϊςʔγϣϯͷ࡟আʯ ͚ͩ XFCQBDLճ͢ͱ͖ʹܕνΣοΫ͸͍Βͳ͍  

  8. Ͳ͏උ͑Δ͔ w ݱঢ়͸4UBHFͰ͋Γɺࠓ͙͢ϢʔβʔϥϯυͰͲ͏͜͏͢Δ࿩Ͱ͸ͳ͍ w Ұ෦ͷϥϯλΠϜʹӨڹΛٴ΅͢จ๏ FHOBNFTQBDF FOVN FUD ʹ͍ͭ ͯ͸ɺ5ZQF1SPQPTBMͷൣғ֎ͱ͞Ε͍ͯΔ

    w ʮ͜ΕΒͷػೳΛੵۃతʹ࢖Θͳ͍Α͏ʹ͓ͯ͘͠ʯͷ͸ΞϦ  

  9. 5IBOLZPV