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author | 2020-11-16 00:10:28 +0100 | |
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committer | 2020-11-16 00:10:28 +0100 | |
commit | e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d (patch) | |
tree | 55713f725f77b44ebfec86e4eec3ce33e71458ca /node_modules/cyclist/index.js | |
download | website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.gz website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.tar.bz2 website_creator-e06ec920f7a5d784e674c4c4b4e6d1da3dc7391d.zip |
api, login, auth
Diffstat (limited to 'node_modules/cyclist/index.js')
-rw-r--r-- | node_modules/cyclist/index.js | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/node_modules/cyclist/index.js b/node_modules/cyclist/index.js new file mode 100644 index 0000000..10b6cd4 --- /dev/null +++ b/node_modules/cyclist/index.js @@ -0,0 +1,33 @@ +var twoify = function (n) { + if (n && !(n & (n - 1))) return n + var p = 1 + while (p < n) p <<= 1 + return p +} + +var Cyclist = function (size) { + if (!(this instanceof Cyclist)) return new Cyclist(size) + size = twoify(size) + this.mask = size - 1 + this.size = size + this.values = new Array(size) +} + +Cyclist.prototype.put = function (index, val) { + var pos = index & this.mask + this.values[pos] = val + return pos +} + +Cyclist.prototype.get = function (index) { + return this.values[index & this.mask] +} + +Cyclist.prototype.del = function (index) { + var pos = index & this.mask + var val = this.values[pos] + this.values[pos] = undefined + return val +} + +module.exports = Cyclist |