Function workflow

workflow<I = unknown, O = unknown>(
name: string,
fn: WorkflowFn<I, O>,
): WorkflowDefinition<I, O>
Defines a workflow type:
```
export const checkout = workflow("checkout", async (ctx, order: Order) => { ... });
export const nightly = workflow("nightly", { version: 2, timeout: "1h" }, async (ctx) => { ... });
```
Type Parameters
- I = unknown
- O = unknown
Parameters
- name: string
- fn: WorkflowFn<I, O>
Returns WorkflowDefinition<I, O>
workflow<I = unknown, O = unknown>(
    name: string,
    opts: {
        concurrency?: Concurrency<I>;
        timeout?: Duration;
        version?: number;
    },
    fn: WorkflowFn<I, O>,
): WorkflowDefinition<I, O>
Defines a workflow type:
```
export const checkout = workflow("checkout", async (ctx, order: Order) => { ... });
export const nightly = workflow("nightly", { version: 2, timeout: "1h" }, async (ctx) => { ... });
```
Type Parameters
- I = unknown
- O = unknown
Parameters
- name: string
- opts: { concurrency?: Concurrency<I>; timeout?: Duration; version?: number }
- fn: WorkflowFn<I, O>
Returns WorkflowDefinition<I, O>
workflow<I = unknown, O = unknown>(name: string): WorkflowDefinition<I, O>
A definition that only names a type (another process runs its code).
Type Parameters
- I = unknown
- O = unknown
Parameters
- name: string
Returns WorkflowDefinition<I, O>