Deduces a FunctionRef wrapping a compile-time known free function bound to an object argument.
Declared in <absl/functional/function_ref.h>
template<
class R,
class T,
class... Args,
R(* Func)(T, Args...),
class U>
FunctionRef<R(Args...)>(
nontype_t<Func>,
U&&) -> FunctionRef<R(Args...)>;