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Diffstat (limited to 'rules/hard_tit4tat.pl')
| -rw-r--r-- | rules/hard_tit4tat.pl | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/rules/hard_tit4tat.pl b/rules/hard_tit4tat.pl index 8efc124..6ba56e6 100644 --- a/rules/hard_tit4tat.pl +++ b/rules/hard_tit4tat.pl @@ -2,5 +2,7 @@ % Cooperates unless the opponent has defected % at least once in the last two rounds. +% Syntax: hard_tit4tat(+history, -choice, +state_in, -state_out) + hard_tit4tat([A,B|_],d,_,_):-(A=d;B=d),!. hard_tit4tat(_,c,_,_). |