package thread-local-storage

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Thread local storage

type 'a key

A TLS key for values of type 'a. This allows the storage of a single value of type 'a per thread.

val new_key : (unit -> 'a) -> 'a key

Allocate a new, generative key. When the key is used for the first time on a thread, the function is called to produce it.

This should only ever be called at toplevel to produce constants, do not use it in a loop.

val get : 'a key -> 'a

Get the value for the current thread.

val set : 'a key -> 'a -> unit

Set the value for the current thread.