show method
Presentation method. Trying list as a parameter.
Implementation
// action like: 'print, buf, pause, hello-World!, info:Watch, act:dim'
void show(String action) {
// TODO Make forced print
bool _clB = false;
if (_pB && action.contains('buf')) {
// no good: no-buf !!buf+ ?
print(':buffer: is printed');
print(buf);
}
_clB; // to mark it used
}