FHIR Mapping Language (FML), published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/mapping-language-ig/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON
• TTL

: Comments

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<StructureMap xmlns="http://hl7.org/fhir"
              resourceDefinition="http://hl7.org/fhir/StructureDefinition/StructureMap|0.1.0">
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureMap Comments</b></p><a name="Comments"> </a><a name="hcComments"> </a><pre class="fml">
<span style="color: #cc00cc">/// <b>url</b> = </span><span style="color: blue">'http://hl7.org/fhir/uv/mapping-language/StructureMap/Comments'</span>
<span style="color: #cc00cc">/// <b>version</b> = </span><span style="color: blue">'0.1.0'</span>
<span style="color: #cc00cc">/// <b>name</b> = </span><span style="color: blue">'Comments'</span>
<span style="color: #cc00cc">/// <b>status</b> = </span><span style="color: blue">'active'</span>
<span style="color: #cc00cc">/// <b>description</b> = </span><span style="color: blue">'Example demonstrating the use of comments in FML'</span>

<span style="color: navy">// </span><span style="color: green">comment on source structure import</span>
<b>uses</b><span style="color: navy"> &quot;</span><a href="http://hl7.org/fhir/6.0.0-ballot5/patient.html" title="Patient">http://hl7.org/fhir/StructureDefinition/Patient</a><span style="color: navy">&quot; </span><b>as </b><b>source</b>
<span style="color: navy">// </span><span style="color: green">comment on target structure import</span>
<b>uses</b><span style="color: navy"> &quot;</span><a href="http://hl7.org/fhir/6.0.0-ballot5/patient.html" title="Patient">http://hl7.org/fhir/StructureDefinition/Patient</a><span style="color: navy">&quot; </span><b>as </b><b>target</b>

<span style="color: navy">// </span><span style="color: green">This is a comment on the group</span>
<b>group </b>CommentsDemo<span style="color: navy">(</span><b>source</b> <span style="color: maroon">src</span><span style="color: navy"> : </span>Patient, <b>target</b> <span style="color: maroon">tgt</span><span style="color: navy"> : </span>Patient<span style="color: navy">)</span><span style="color: navy"> {
</span>  <span style="color: navy">// </span><span style="color: green">A comment preceding a rule R1</span>
  <span style="color: navy">// </span><span style="color: green">with more than one line</span>
  src.birthDate<span style="color: navy"><b> -&gt; </b></span>tgt.birthDate <i>&quot;R1&quot;</i><span style="color: navy">;</span>
  src.active<span style="color: navy"><b> -&gt; </b></span>tgt.active <i>&quot;R2&quot;</i><span style="color: navy">;</span>
  src.name<b> as </b><span style="color: maroon">v</span><span style="color: navy"><b> -&gt; </b></span>tgt.name<b> as </b><span style="color: maroon">tn</span><b> then</b><span style="color: navy"> {
</span>    <span style="color: navy">// </span><span style="color: green">before R3 comment</span>
    v.family<span style="color: navy"><b> -&gt; </b></span>tn.family <i>&quot;R3&quot;</i><span style="color: navy">;</span>
  <span style="color: navy">}</span> <i>&quot;R4&quot;</i><span style="color: navy">;</span>
<span style="color: navy">}

</span></pre></div>
  </text>
  <url value="http://hl7.org/fhir/uv/mapping-language/StructureMap/Comments"/>
  <version value="0.1.0"/>
  <name value="Comments"/>
  <status value="active"/>
  <description value="Example demonstrating the use of comments in FML"/>
  <structure>
    <url value="http://hl7.org/fhir/StructureDefinition/Patient"/>
    <documentation value="comment on source structure import"/>
    <mode value="source"/>
  </structure>
  <structure>
    <url value="http://hl7.org/fhir/StructureDefinition/Patient"/>
    <documentation value="comment on target structure import"/>
    <mode value="target"/>
  </structure>
  <group>
    <documentation value="This is a comment on the group"/>
    <input>
      <mode value="source"/>
      <name value="src"/>
      <type value="Patient"/>
    </input>
    <input>
      <mode value="target"/>
      <name value="tgt"/>
      <type value="Patient"/>
    </input>
    <rule>
      <source>
        <context value="src"/>
        <element value="birthDate"/>
        <variable value="vvv"/>
      </source>
      <target>
        <context value="tgt"/>
        <element value="birthDate"/>
        <variable value="vvv"/>
        <transform value="create"/>
      </target>
      <documentation
                     value="A comment preceding a rule R1
with more than one line"/>
      <name value="R1"/>
    </rule>
    <rule>
      <source>
        <context value="src"/>
        <element value="active"/>
        <variable value="vvv"/>
      </source>
      <target>
        <context value="tgt"/>
        <element value="active"/>
        <variable value="vvv"/>
        <transform value="create"/>
      </target>
      <name value="R2"/>
    </rule>
    <rule>
      <source>
        <context value="src"/>
        <element value="name"/>
        <variable value="v"/>
      </source>
      <target>
        <context value="tgt"/>
        <element value="name"/>
        <variable value="tn"/>
      </target>
      <rule>
        <source>
          <context value="v"/>
          <element value="family"/>
          <variable value="vvv"/>
        </source>
        <target>
          <context value="tn"/>
          <element value="family"/>
          <variable value="vvv"/>
          <transform value="create"/>
        </target>
        <documentation value="before R3 comment"/>
        <name value="R3"/>
      </rule>
      <name value="R4"/>
    </rule>
    <name value="CommentsDemo"/>
  </group>
  <id value="Comments"/>
  <language value="en"/>
</StructureMap>