Silence the following compiler warning:
Compile: SerialBase.cpp
[Warning] SerialBase.cpp@34,23: comparison between signed and unsigned integer expressions [-Wsign-compare]
Signed-off-by: Tony Wu <tung7970@gmail.com>
- Marked `call` and `operator()` functions as const
- Moved to static_cast for internal function pointer to avoid losing
compiler checked const-safety
- Added test for `operator=` with non-callback types
- Moved from zero-cast to value-initializer when callback is null
- Added `operator==` and `operator!=`
- Removed special handling of null callback
- Replicated doxygen to all overloads
- Added correct nops where uninitialized callbacks are called
- Added assertion for null callback
- Removed copy-constructor from callback constructor
Tony Wu
Christopher Haster
Russ Butler
Mihail Stoyanov