{"ast_node_type":"other","tokens":[{"end":99,"kind":"keyword","start":0,"text":"//!"}]}
//! set of used constants, can depend on optimizations. Optimizing away dead code may optimize away
//! However, the exact set of "used" items (collected as described above), and therefore the exact
//! a function call that uses a failing constant, so an unoptimized build may fail where an