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Fix usage of proc_macro::is_available() #303

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Merged
merged 2 commits into from
Dec 5, 2021
Merged

Fix usage of proc_macro::is_available() #303

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f601ea3
Fix usage of proc_macro::is_available()
bjorn3 Dec 2, 2021
a4beb26
Fix warning when is_available() is used
bjorn3 Dec 2, 2021
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5 changes: 3 additions & 2 deletions src/detection.rs
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Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
#[cfg(not(is_available))]
use std::panic::{self, PanicInfo};
use std::sync::atomic::{AtomicUsize, Ordering};
use std::sync::Once;
Expand All @@ -24,7 +25,7 @@ pub(crate) fn unforce_fallback() {
initialize();
}

#[cfg(feature = "is_available")]
#[cfg(is_available)]
fn initialize() {
let available = proc_macro::is_available();
WORKS.store(available as usize + 1, Ordering::SeqCst);
Expand Down Expand Up @@ -54,7 +55,7 @@ fn initialize() {
// here. For now, if a user needs to guarantee that this failure mode does
// not occur, they need to call e.g. `proc_macro2::Span::call_site()` from
// the main thread before launching any other threads.
#[cfg(not(feature = "is_available"))]
#[cfg(not(is_available))]
fn initialize() {
type PanicHook = dyn Fn(&PanicInfo) + Sync + Send + 'static;

Expand Down