Obtain the size of the map.

1 map.size

<map.size name='name'>
    <map /> *
</map.size>

Attributes
Name	Type	Required	Default	Description
Aname	string				Name of the map.

Arguments
Name	Type	Required	Unique	Nullable	Description
Emap	map

Example

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<xsql-script name='map_size_sample'>
    <body>
        <map name='a'>
            <item>0<string>ZERO</string></item>
            <item>1<string>ONE</string></item>
            <item>2<string>TWO</string></item>
            <item>3<string>THREE</string></item>
        </map>

        <println><map.size name='a' /></println>
    </body>
</xsql-script>

The zise of the map is obtained.

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<map.size name='a'/>