Created
February 8, 2011 17:46
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Erlang Day 2 Exercises
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-module(daytwo). | |
-export([find/2]). | |
-export([shopping/1]). | |
-export([ttt/1]). | |
%Given a list of tuples and a key return the value of the key | |
%[{thing, "thing value"}, {thing_two, "thing_two value"}] | |
find([], Term) -> []; | |
find([{Term,Value}|Tail], Term) -> Value; | |
find([Head|Tail], Term) -> find(Tail, Term). | |
%List comprehension to calculate the total price given a list of tuples | |
shopping(List) -> [{Product, Quantity * Price} || {Product, Quantity, Price} <- List]. | |
%Tic Tac Toe game | |
ttt([x,x,x,_,_,_,_,_,_]) -> x; | |
ttt([_,_,_,x,x,x,_,_,_]) -> x; | |
ttt([_,_,_,_,_,_,x,x,x]) -> x; | |
ttt([x,_,_,_,x,_,_,_,x]) -> x; | |
ttt([_,_,x,_,x,_,x,_,_]) -> x; | |
ttt([x,_,_,x,_,_,x,_,_]) -> x; | |
ttt([_,x,_,_,x,_,_,x,_]) -> x; | |
ttt([_,_,x,_,_,x,_,_,x]) -> x; | |
ttt([o,o,o,_,_,_,_,_,_]) -> o; | |
ttt([_,_,_,o,o,o,_,_,_]) -> o; | |
ttt([_,_,_,_,_,_,o,o,o]) -> o; | |
ttt([o,_,_,_,o,_,_,_,o]) -> o; | |
ttt([_,_,o,_,o,_,o,_,_]) -> o; | |
ttt([o,_,_,o,_,_,o,_,_]) -> o; | |
ttt([_,o,_,_,o,_,_,o,_]) -> o; | |
ttt([_,_,o,_,_,o,_,_,o]) -> o; | |
ttt([_,_,_,_,_,_,_,_,_]) -> cat; | |
ttt(X) -> no_winner. |
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