A node of an
DepNode, something which is needed when forcing
DepNodes during red-green evaluation. The query system will only call this method if
FingerprintStyle::Opaque. It is always valid to return
Nonehere, in which case incremental compilation will treat the query as having changed instead of forcing it. Read more
Returns the argument unchanged.
Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain
repr(...) attributes. Please see the Rust Reference’s “Type Layout” chapter for details on type layout guarantees.
Size: 24 bytes
Size for each variant:
Leaf: 15 bytes
Binop: 11 bytes
UnaryOp: 7 bytes
FunctionCall: 23 bytes
Cast: 15 bytes