Is empty

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This block returns True if value can be considered as empty.

string is empty when length of string is 0
list is empty when number of list elements is 0
dict is empty when number of list elements is 0

Block XML representation

XML representation of function_is_empty block

<xml xmlns="http://www.w3.org/1999/xhtml">
  <block type="text_isEmpty">
    <value name="VALUE">
      <block type="text">
        <field name="TEXT"/>
      </block>
    </value>
  </block>
  <block type="dictionaries_isEmpty">
    <value name="VALUE">
      <block type="dictionaries_create_with">
        <mutation items="0"/>
      </block>
    </value>
  </block>
  <block type="lists_isEmpty">
    <value name="VALUE">
      <block type="lists_create_with">
        <mutation items="0"/>
      </block>
    </value>
  </block>
</xml>

Example of visual representation

Example of block usage

Example of "Is empty" block — Example of “Is empty” block

Block is used on the “if status is empty” row in the example:

Variable “status” is empty.
Result is boolean value “true”.
Key “status” with value “status is empty” is saved into the “item” dictionary.

Processing result

Results of "Is empty" block — Results of “Is empty” block