<commit_before>## Concepts

<details>
  <summary><a href="./concept/TypePrimitive.md">
    Type <code>primitive</code>
  </a></summary>
    In <code>JavaScript</code>, all data types that are integral and have no changeable elements are called primitives.
</details>

<details>
  <summary><a href="./concept/TypePrimitive.md#Тип-string">
    Type <code>string</code>
  </a></summary>
    Primitive data type to represent text data.
</details>

<details>
  <summary><a href="./concept/TypeUnroll.md">
    Type <code>unroll</code>
  </a></summary>
    <code>Unroll</code> - data type, it is a special kind of array, capable to be unrolled in another array when performing operations on it.
</details>

## Tutorials

<details>
  <summary><a href="./tutorial/RoutineFromPreAndBody.md">
    Routine routineFromPreAndBody
  </a></summary>
    Automatically combining of the data preparation routine and routine for data processing.
</details>

<details>
  <summary><a href="./tutorial/RoutineFromPreAndBody.md">
    How to measure time
  </a></summary>
    Measurement of algorithms performance to choose the best solution.
</details>

<details>
  <summary><a href="./tutorial/ErrorHandling.md">
    Errors handling done right: stateful exceptions
  </a></summary><commit_msg>Broken link<commit_after>## Concepts

<details>
  <summary><a href="./concept/TypePrimitive.md">
    Type <code>primitive</code>
  </a></summary>
    In <code>JavaScript</code>, all data types that are integral and have no changeable elements are called primitives.
</details>

<details>
  <summary><a href="./concept/TypePrimitive.md#Тип-string">
    Type <code>string</code>
  </a></summary>
    Primitive data type to represent text data.
</details>

<details>
  <summary><a href="./concept/TypeUnroll.md">
    Type <code>unroll</code>
  </a></summary>
    <code>Unroll</code> - data type, it is a special kind of array, capable to be unrolled in another array when performing operations on it.
</details>

## Tutorials

<details>
  <summary><a href="./tutorial/RoutineFromPreAndBody.md">
    Routine routineFromPreAndBody
  </a></summary>
    Automatically combining of the data preparation routine and routine for data processing.
</details>

<details>
  <summary><a href="./tutorial/TimeMesuarement.md">
    How to measure time
  </a></summary>
    Measurement of algorithms performance to choose the best solution.
</details>

<details>
  <summary><a href="./tutorial/ErrorHandling.md">
    Errors handling done right: stateful exceptions
  </a></summary>
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