A first revision, do you like the toString?
http://codepad.org/qhH2XpMx
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The modified code contains still an enum that gets converted to
char and then to int. I am not going to write code like that in
my own "production code" :-)
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To improve this type soup a bit I suggest to introduce one or
more alias for the types of states, etc, like:
alias State = char;
and then use it/them.
static struct TuringMachine {
char[] symbols;
char blank;
char initialState;
char[] haltStates, runningStates;
char[][string] rules;
char[] input;
}
static struct TapeHead {
const char[] symbols;
const char blank;
char[] tape;
size_t index;
...
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Bye,
bearophile
