f# - Where is untyped_to_typed method? -

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I'm learning how to use F # to create WP # applications. I am using this as a reference I am stuck with an example where the author 

  IEnumerable.untyped_to_typed

giving it a compilation error is. Is its name being changed or am I missing something?

It looks like the seq and IEnumerable < / Code> module.

Use Seq.cast instead.


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