codigo0/backend/node_modules/fast-fifo/README.md
planetazuzu 5d7a6500fe refactor: Fase 1 - Clean Architecture, refactorización modular y eliminación de duplicidades
-  Ticket 1.1: Estructura Clean Architecture en backend
-  Ticket 1.2: Schemas Zod compartidos
-  Ticket 1.3: Refactorización drugs.ts (1362 → 8 archivos modulares)
-  Ticket 1.4: Refactorización procedures.ts (3583 → 6 archivos modulares)
-  Ticket 1.5: Eliminación de duplicidades (~50 líneas)

Cambios principales:
- Creada estructura Clean Architecture en backend/src/
- Schemas Zod compartidos en backend/src/shared/schemas/
- Refactorización modular de drugs y procedures
- Utilidades genéricas en src/utils/ (filter, validation)
- Eliminados scripts obsoletos y documentación antigua
- Corregidos errores: QueryClient, import test-error-handling
- Build verificado y funcionando correctamente
2026-01-25 21:09:47 +01:00

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# fast-fifo
A fast fifo implementation similar to the one powering nextTick in Node.js core
```
npm install fast-fifo
```
Uses a linked list of growing fixed sized arrays to implement the FIFO to avoid
allocating a wrapper object for each item.
## Usage
``` js
const FIFO = require('fast-fifo')
const q = new FIFO()
q.push('hello')
q.push('world')
q.shift() // returns hello
q.shift() // returns world
```
## API
#### `q = new FIFO()`
Create a new FIFO.
#### `q.push(value)`
Push a value to the FIFO. `value` can be anything other than undefined.
#### `value = q.shift()`
Return the oldest value from the FIFO.
#### `q.clear()`
Remove all values from the FIFO.
#### `bool = q.isEmpty()`
Returns `true` if the FIFO is empty and false otherwise.
#### `value = q.peek()`
Return the oldest value from the FIFO without shifting it out.
#### `len = q.length`
Get the number of entries remaining in the FIFO.
## Benchmarks
Included in bench.js is a simple benchmark that benchmarks this against a simple
linked list based FIFO.
On my machine the benchmark looks like this:
```
fifo bulk push and shift: 2881.508ms
fifo individual push and shift: 3248.437ms
fast-fifo bulk push and shift: 1606.972ms
fast-fifo individual push and shift: 1328.064ms
fifo bulk push and shift: 3266.902ms
fifo individual push and shift: 3320.944ms
fast-fifo bulk push and shift: 1858.307ms
fast-fifo individual push and shift: 1516.983ms
```
YMMV
## License
MIT