[src] quote:: rt
🔬 This is a nightly-only experimental API. (
Quasiquoting works via token trees.
This is registered as a set of expression syntax extension called quote!
that lifts its argument token-tree to an AST representing the
construction of the same token tree, with
as antiquotes (splices).
A byte offset. Keep this small (currently 32-bits), as AST contains a lot of them.
A compressed span.
Contains either fields of
Dummy span, both position and length are zero, syntax context is zero as well. This span is kept inline and encoded with format 0.