pkg syscall (netbsd-arm64-cgo), const PTRACE_CONT = 7
pkg syscall (netbsd-arm64-cgo), const PTRACE_CONT ideal-int
pkg syscall (netbsd-arm64-cgo), const PTRACE_KILL = 8
pkg syscall (netbsd-arm64-cgo), const PTRACE_KILL ideal-int
pkg syscall (netbsd-arm64-cgo), const PTRACE_TRACEME = 0
pkg syscall (netbsd-arm64-cgo), const PTRACE_TRACEME ideal-int

pkg syscall (darwin-arm64), const PROT_WRITE ideal-int
pkg syscall (darwin-arm64), const PTRACE_CONT = 7
pkg syscall (darwin-arm64), const PTRACE_CONT ideal-int
pkg syscall (darwin-arm64), const PTRACE_KILL = 8
pkg syscall (darwin-arm64), const PTRACE_KILL ideal-int
pkg syscall (darwin-arm64), const PTRACE_TRACEME = 0
pkg syscall (darwin-arm64), const PTRACE_TRACEME ideal-int
pkg syscall (darwin-arm64), const PT_ATTACH = 10

from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    price: float


@app.get("/items/")
async def read_items() -> list[Item]:
    return [
        Item(name="Portal Gun", price=42.0),
        Item(name="Plumbus", price=32.0),
    ]
```

FastAPI will use the return type annotation to perform:

* Data validation