Module rustc_const_eval::const_eval::fn_queries
source · Functions
Checks whether an item is considered to be
const. If it is a constructor, it is const. If
it is a trait impl/function, return if it has a const modifier. If it is an intrinsic,
report whether said intrinsic has a rustc_const_{un,}stable attribute. Otherwise, return
Constness::NotConst.Whether the
def_id is an unstable const fn and what feature gate is necessary to enable it