Function bad

bad<R extends string, V>(reason: R, value: V): Bad<R, V>
Build a Bad failure leaf from a reason tag, optionally carrying a value payload that describes the failure. Pass value for a rich failure (Bad<R, V>); omit it for a tag-only failure (Bad<R, void>).
Type Parameters
- R extends string
  The reason tag.
- V
  The payload type.
Parameters
- reason: R
  The string tag naming the failure.
- value: V
  Data describing the failure.
Returns Bad<R, V>
A Bad wrapping reason and value.
Example
```
const r = bad("invalid_price", { price: -5 });
// Bad<"invalid_price", { price: number }>
```
- Defined in work/simple-monad/simple-monad/src/lib/Bad.ts:51
bad<R extends string>(reason: R): Bad<R, void>
Build a Bad failure leaf from a reason tag, optionally carrying a value payload that describes the failure. Pass value for a rich failure (Bad<R, V>); omit it for a tag-only failure (Bad<R, void>).
Type Parameters
- R extends string
  The reason tag.
Parameters
- reason: R
  The string tag naming the failure.
Returns Bad<R, void>
A Bad with no payload (Bad<R, void>).
- Defined in work/simple-monad/simple-monad/src/lib/Bad.ts:61