---
title: "What is this Operator in C++ - CloudBlast"
description: "What is this Operator in C++"
url: "https://cloudblast.io/ja/article/What-is-this-Operator-in-C++"
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# What is this Operator in C++

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2024-09-27

### What is this Operator in C++

engineering

The `-->` operator in C/C++ is not a standard operator recognized by the language. Instead, it is often a typographical error or a playful reference to a combination of two separate operators: the decrement operator `--` and the greater-than operator `>`. In standard C/C++ syntax, these two operators do not combine to form a single operator with a unique function.

**Understanding the Components**

To understand why `-->` is not a valid operator, it's important to break down its components:

-   **Decrement Operator (--):** This operator is used to decrease the value of its operand by one. It can be used in both prefix and postfix forms, such as `--x` or `x--`, where it decrements the value of `x`\[\[5\]\].
-   **Greater-Than Operator (>):** This operator is used to compare two values, returning true if the left operand is greater than the right operand. It is commonly used in conditional statements\[\[4\]\].

**Common Misunderstandings**

Occasionally, developers might mistakenly type `-->` when intending to use these operators separately. For example, in a loop or conditional statement, one might decrement a variable and then compare it to another value. However, these operations must be performed separately, as they do not form a single operator.

**Playful References**

In some programming communities, `-->` is humorously referred to as a "countdown operator" or similar playful terms. These references are not based on actual language features but rather on creative interpretations or jokes within the community\[\[8\]\].

**Conclusion: Clarifying the Misconception**

In conclusion, the `-->` operator does not exist in C/C++ as a valid operator. It is important for developers to recognize this as a combination of two distinct operators and to use them appropriately in their code. Understanding the correct usage of `--` and `>` ensures clarity and correctness in programming practices.

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