flying-hero
96f6318101
新增: - backend/venv/ - Python 虚拟环境 - backend/start.sh - 启动脚本（使用虚拟环境） - backend/requirements.txt - 依赖列表 - .gitignore - 忽略虚拟环境和缓存文件 说明: - 每个项目使用独立虚拟环境 - 避免依赖冲突 - 启动脚本自动创建和激活虚拟环境
34 lines
454 B
JavaScript
34 lines
454 B
JavaScript
'use strict'
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function reusify (Constructor) {
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var head = new Constructor()
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var tail = head
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function get () {
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var current = head
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if (current.next) {
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head = current.next
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} else {
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head = new Constructor()
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tail = head
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}
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current.next = null
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return current
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}
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function release (obj) {
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tail.next = obj
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tail = obj
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}
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return {
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get: get,
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release: release
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}
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}
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module.exports = reusify
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