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Matsuura Tomoya(Windows)
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#programming
[[構造的部分型]]と似ているけどちょっと違う
[Row Polymorphism Isn't Subtyping - BAM Weblog](https://brianmckenna.org/blog/row_polymorphism_isnt_subtyping)
[[OCaml]]のレコード型で導入されている
[[PureScript]]では明示的なシンタックスで導入されている
[documentation/language/Records.md at master · purescript/documentation · GitHub](https://github.com/purescript/documentation/blob/master/language/Records.md#extending-records)
レコード型のコンストラクタが‘`Row Type -> Type`(Rowはカインド変数)になる
[[SATySFi]]ではオプション付き引数の型システムに使ってる
[SATySFi v0.1.0に向けたラベルつきオプション引数の型システム - gfnweb](https://gfngfn.github.io/ja/posts/2022-05-22-a-type-system-of-labeled-optional-parameters-for-satysfi/)