Is the global_allocator proc-macro per crate or per binary?

help
1

If I set the global allocator in my crate, will it be used by all the dependencies I have too? (that is my understanding currently).
If so, is there a possibility to set it per crate?

2

It is set for all the crates. You can't set an allocator per crate because code in a crate can deallocate an allocation made in another crate (e.g. Box is the same type for all the crates) so they can't use different allocators.

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3

Thought so, thanks.

4

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