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A function that returns its first argument. This function is useful when writing code in the functional style.

    function transformer(transformationFn, value) {
      return (transformationFn || angular.identity)(value);
    };

## Usage

`angular.identity(value);`

### Arguments

Param | Type | Details
--- | --- | ---
value | * | to be returned.

### Returns

* | the value passed in.