Function unique

unique<T>(array: T[], by?: ((a: T) => string | number)): T[]
Returns a new array with the unique values in array, using an optional function to return the key.

Returns
the unique values in array
Type Parameters
- T
Parameters
- array: T[]
  
  an array of values
- Optional by: ((a: T) => string | number)
  
  an optional function that returns a unique key for each value
  - - (a: T): string | number
    - Parameters
      
      a: T
      
      Returns string | number
Returns T[]
- Defined in src/arrays.ts:177

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