memo5<A, B, C, D, E, R> function
Checks 5 arguments for equality with ==
operator and returns the cached
result if it was not changed.
Implementation
Func5<A, B, C, D, E, R> memo5<A, B, C, D, E, R>(Func5<A, B, C, D, E, R> func) {
late A prevArgA;
late B prevArgB;
late C prevArgC;
late D prevArgD;
late E prevArgE;
late R prevResult;
bool isInitial = true;
return ((A argA, B argB, C argC, D argD, E argE) {
if (!isInitial &&
argA == prevArgA &&
argB == prevArgB &&
argC == prevArgC &&
argD == prevArgD &&
argE == prevArgE) {
return prevResult;
} else {
prevArgA = argA;
prevArgB = argB;
prevArgC = argC;
prevArgD = argD;
prevArgE = argE;
prevResult = func(argA, argB, argC, argD, argE);
isInitial = false;
return prevResult;
}
});
}