Alias for a legacy assertion-failure handler function pointer.
Declared in <bsls_assert.h>
typedef void(* Handler)(char const*, char const*, int);Handler is an alias for a pointer to a function returning void, and taking, as parameters, two null-terminated strings and an int, which is the structure of all assertion-failure handler functions supported by this class -- e.g., ` void myHandler(const char *text, const char *file, int line); `