Generic type variables

Wrap<Opening, ...>

Opening extends string

​A generic type variable constrained by the string, by default of the value captured from the provided opening indicates the opening type of a new Wrap instance.

Wrap<..., Closing>

Closing extends string

​A generic type variable constrained by the string, by default of the value captured from the provided closing indicates the closing type of a new Wrap instance.

wrap.class.ts
class Wrap<
  Opening extends string = string,
  Closing extends string = string
> extends String ...

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