is documented in the “Synchronization” section below.
Individual packages are responsible for providing similar documentation
for their own operations.
</p>

<h2 id="restrictions">Implementation Restrictions for Programs Containing Data Races</h2>

<p>
The preceding section gave a formal definition of data-race-free program execution.
This section informally describes the semantics that implementations must provide

///

### Step 4: define the **path operation function**

This is our "**path operation function**":

* **path**: is `/`.
* **operation**: is `get`.
* **function**: is the function below the "decorator" (below `@app.get("/")`).

{* ../../docs_src/first_steps/tutorial001.py hl[7] *}

This is a Python function.

                        <jsp:include page="/WEB-INF/view/common/admin/crud/breadcrumb.jsp"></jsp:include>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <la:form action="/admin/scheduler/">
                <la:hidden property="crudMode"/>
                <c:if test="${crudMode==2 || crudMode==3 || crudMode==4}">
                    <la:hidden property="id"/>

                            </la:link></li>
                        </ol>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <div class="row">
                <div class="col-md-12">
                    <div class="card card-outline card-primary">
                        <div class="card-header">

                        </ol>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <la:form action="/admin/joblog/">
                <la:hidden property="crudMode"/>
                <c:if test="${crudMode==2 || crudMode==3 || crudMode==4}">
                    <la:hidden property="id"/>

                        <jsp:include page="/WEB-INF/view/common/admin/crud/breadcrumb.jsp"></jsp:include>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <la:form action="/admin/webauth/">
                <la:hidden property="crudMode"/>
                <c:if test="${crudMode==2}">
                    <la:hidden property="id"/>

	//            C.f(_cgo0)
	//    }()
	// Using a function literal like this lets us evaluate the
	// function arguments only once while doing pointer checks.
	// This is particularly useful when passing additional arguments
	// to _cgoCheckPointer, as done in checkIndex and checkAddr.
	//
	// When the function argument is a conversion to unsafe.Pointer,

                            <la:message key="labels.suggest_word_title_details"/>
                        </h1>
                    </div>
                </div>
            </div>
        </div>
        <section class="content">
            <div class="row">
                <div class="col-md-12">
                    <div class="card card-outline card-primary">
                        <div class="card-header">

* 👷 Update GitHub Action add-to-project. PR [#12002](https://github.com/fastapi/fastapi/pull/12002) by [@tiangolo](https://github.com/tiangolo).
* 🔧 Update labeler GitHub Action. PR [#12001](https://github.com/fastapi/fastapi/pull/12001) by [@tiangolo](https://github.com/tiangolo).
* 👷 Add GitHub Action labeler. PR [#12000](https://github.com/fastapi/fastapi/pull/12000) by [@tiangolo](https://github.com/tiangolo).

## Context Managers

### What are "Context Managers"

"Context Managers" are any of those Python objects that you can use in a `with` statement.