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Initial data commit

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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 72d218235f
commit f23f22d71c
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33
Task/Ternary-logic/JavaScript/ternary-logic-1.js Normal file
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var L3 = new Object();
L3.not = function(a) {
if (typeof a == "boolean") return !a;
if (a == undefined) return undefined;
throw("Invalid Ternary Expression.");
}
L3.and = function(a, b) {
if (typeof a == "boolean" && typeof b == "boolean") return a && b;
if ((a == true && b == undefined) || (a == undefined && b == true)) return undefined;
if ((a == false && b == undefined) || (a == undefined && b == false)) return false;
if (a == undefined && b == undefined) return undefined;
throw("Invalid Ternary Expression.");
}
L3.or = function(a, b) {
if (typeof a == "boolean" && typeof b == "boolean") return a || b;
if ((a == true && b == undefined) || (a == undefined && b == true)) return true;
if ((a == false && b == undefined) || (a == undefined && b == false)) return undefined;
if (a == undefined && b == undefined) return undefined;
throw("Invalid Ternary Expression.");
}
// A -> B is equivalent to -A or B
L3.ifThen = function(a, b) {
return L3.or(L3.not(a), b);
}
// A <=> B is equivalent to (A -> B) and (B -> A)
L3.iff = function(a, b) {
return L3.and(L3.ifThen(a, b), L3.ifThen(b, a));
}