# equals

> **equals**(`a`, `b`): `boolean`

Defined in: [packages/synapse-core/src/piece/parse.ts:72](https://github.com/FilOzone/synapse-sdk/blob/57389d33655c34b3623417d65de2599ab05b1bfb/packages/synapse-core/src/piece/parse.ts#L72)

Compare two PieceCID inputs for equality. Invalid inputs return `false`.

## Parameters

| Parameter | Type |
| ------ | ------ |
| `a` | [`PieceCIDInput`](/reference/filoz/synapse-core/piece/type-aliases/piececidinput/) \| `null` \| `undefined` |
| `b` | [`PieceCIDInput`](/reference/filoz/synapse-core/piece/type-aliases/piececidinput/) \| `null` \| `undefined` |

## Returns

`boolean`