Parameter with default

[flow/Parameter with default]

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Stores a parameter and sends it out on receiving a signal to read. Sends the default value when data is not set. Example A:

1. "foo" is set or received on data

2. "bar" is set on default

3. null@1 received via read

4. "foo"@1 sent via data (output)

Example B:

1. no value is set on data

2. "bar" is set on default

3. null@1 received via read

4. "bar" is sent via data (output)

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Keywords: fallback, default, parameter, constant, value, store, variable

Input ports

• data: any

  Sets the parameter value.

• default: any

  Sets the default value for the parameter. Works as static parameter only.

• read: any

  Receives signal that triggers sending out the stored parameter value or the default in case the prior is not set.

Output ports

• data: any

  Sends the stored parameter data or the default in case the prior is not set.