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Implement trace for PhantomData #768

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Implement trace for PhantomData #768

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5 changes: 5 additions & 0 deletions mozjs-sys/src/trace.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ use std::collections::btree_set::BTreeSet;
use std::collections::vec_deque::VecDeque;
use std::collections::{HashMap, HashSet};
use std::hash::{BuildHasher, Hash};
use std::marker::PhantomData;
use std::num::{
NonZeroI128, NonZeroI16, NonZeroI32, NonZeroI64, NonZeroI8, NonZeroIsize, NonZeroU128,
NonZeroU16, NonZeroU32, NonZeroU64, NonZeroU8, NonZeroUsize,
Expand All @@ -44,6 +45,10 @@ pub unsafe trait Traceable {
unsafe fn trace(&self, trc: *mut JSTracer);
}

unsafe impl<D> Traceable for PhantomData<D> {
unsafe fn trace(&self, _trc: *mut JSTracer) {}
}

unsafe impl Traceable for Heap<*mut JSFunction> {
#[inline]
unsafe fn trace(&self, trc: *mut JSTracer) {
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