Environmental

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link:Cargo.toml[]

Description

link:src/lib.rs[]

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Can environmental support rust generic?

for now, environmental can like this:

environmental!(counter: u32);

but I wanna use environmental like this:

struct A<C:Config> {
//...
}
environmental!(counter: A<C: Config>);

thus the environmental! need to support rust generic.

Can you guys support this? Thanks!

cannot find macro `thread_local` in this scope

Hey, I'm trying to import and use the environmental crate on a substrate chain, but it will not allow me to enable feature flags(?)

[dependencies]
environmental = { version = "1.1.3", features=["std"], git = "https://github.com/paritytech/environmental/" }

https://github.com/edgeware-network/edgeware-node/blob/erup-5-latest/primitives/rpc/evm-tracing-events/Cargo.toml#L11

//#[macro_use] //extern crate environmental;
environmental::environmental!(listener: dyn Listener + 'static);

pub fn using<R, F: FnOnce() -> R>(l: &mut (dyn Listener + 'static), f: F) -> R {
	listener::using(l, f)
}

https://github.com/edgeware-network/edgeware-node/blob/erup-5-latest/primitives/rpc/evm-tracing-events/src/lib.rs#L53

That throws me an error:

error: cannot find macro `thread_local` in this scope
    --> /home/runner/work/edgeware-node/edgeware-node/primitives/rpc/evm-tracing-events/src/lib.rs:53:1
     |
  53 | environmental::environmental!(listener: dyn Listener + 'static);
     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
     |
     = note: `thread_local` is in scope, but it is an attribute: `#[thread_local]`
     = note: this error originates in the macro `$crate::thread_local_impl` (in Nightly builds, run with -Z macro-backtrace for more info)

  error[E0425]: cannot find value `GLOBAL` in this scope
    --> /home/runner/work/edgeware-node/edgeware-node/primitives/rpc/evm-tracing-events/src/lib.rs:53:1
     |
  53 | environmental::environmental!(listener: dyn Listener + 'static);
     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ not found in this scope
     |
     = note: this error originates in the macro `environmental::environmental` (in Nightly builds, run with -Z macro-backtrace for more info)

Detailed debug log:
https://github.com/edgeware-network/edgeware-node/runs/6611632907?check_suite_focus=true#step:8:1494

panicked at `already borrowed: BorrowMutError`

When running benchmarks, we are getting the following error, and we have problems finding the issue, we never had any problems under normal load. The potential causes coming to my mind is a potentially deep nesting of with calls due to access from different threads. This is how we use it: https://github.com/integritee-network/sgx-runtime/blob/7249cad5f43f73f2fc8f676a6a2435f057962b73/substrate-sgx/sp-io/src/lib.rs#L109

thread '' panicked at 'already borrowed: BorrowMutError', /home/sproll/.cargo/registry/src/github.com-1ecc6299db9ec823/environmental-1.1.3/src/lib.rs:142:41
note: Call backtrace::enable_backtrace with 'PrintFormat::Short/Full' for a backtrace.
fatal runtime error: failed to initiate panic, error 5

Do you have any idea, what it could be?

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