69   static x* cast(Declarable* declarable) {                    \
70     DCHECK(declarable->Is##x());                              \
71     return static_cast<x*>(declarable);                       \
73   static const x* cast(const Declarable* declarable) {        \
74     DCHECK(declarable->Is##x());                              \
75     return static_cast<const x*>(declarable);                 \
78   static x* DynamicCast(Declarable* declarable) {             \
79     if (!declarable) return nullptr;                          \
80     if (!declarable->Is##x()) return nullptr;                 \
81     return static_cast<x*>(declarable);                       \
83   static const x* DynamicCast(const Declarable* declarable) { \
84     if (!declarable) return nullptr;                          \
85     if (!declarable->Is##x()) return nullptr;                 \
86     return static_cast<const x*>(declarable);                 \
207   static Callable* cast(Declarable* declarable) {  in cast()  argument
208     assert(declarable->IsMacro() || declarable->IsBuiltin() ||  in cast()
209            declarable->IsRuntimeFunction());  in cast()
210     return static_cast<Callable*>(declarable);  in cast()
212   static const Callable* cast(const Declarable* declarable) {  in cast()  argument
213     assert(declarable->IsMacro() || declarable->IsBuiltin() ||  in cast()
214            declarable->IsRuntimeFunction());  in cast()
215     return static_cast<const Callable*>(declarable);  in cast()