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Scoped values #50958

Merged
merged 2 commits into from
Sep 16, 2023
Merged

Scoped values #50958

merged 2 commits into from
Sep 16, 2023

Commits on Sep 15, 2023

  1. Add ScopedValues 

    ScopedValues are containers whose observed value depends the current
dynamic scope. This implementation is inspired by https://openjdk.org/jeps/446

A scope is introduced with the `scoped` function that takes a lambda to
execute within the new scope. The value of a `ScopedVariable` is
constant within that scope and can only be set upon introduction
of a new scope.

Scopes are propagated across tasks boundaries.

Variable storage is implemented using a persistent dictionary. Upon
scope entry a small amount of data is copied and the unchanged pieces
are shared.
    @vchuravy
    vchuravy committed Sep 15, 2023
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  2. Update base/scopedvalues.jl

    @vchuravy
    vchuravy committed Sep 15, 2023
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