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Add random-access setter function for deque #184

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Add random-access setter function for deque #184

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16 changes: 16 additions & 0 deletions deque.js
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Original file line number Diff line number Diff line change
Expand Up @@ -306,6 +306,22 @@ Deque.prototype.get = function (index) {
return this[(this.front + index) & (this.capacity - 1)];
};

Deque.prototype.set = function (index, value) {
// Domain only includes integers
if (index !== (index | 0)) {
return;
}
// Support negative indicies
if (index < 0) {
index = index + this.length;
}
// Out of bounds
if (index < 0 || index >= this.length) {
return;
}
this[(this.front + index) & (this.capacity - 1)] = value;
};

Deque.prototype.indexOf = function (value, index) {
// Default start index at beginning
if (index == null) {
Expand Down