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DERIVE_EXPAND_CTX
rustc_
expand
1.99.0-nightly
(4461b085f 2026-08-21) (Ferrocene nightly by Ferrous Systems)
In rustc_
expand::
proc_
macro
rustc_expand
::
proc_macro
Static
DERIVE_
EXPAND_
CTX
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Source
static DERIVE_EXPAND_CTX:
ScopedKey
<
QueryDeriveExpandCtx
>