Maybe

Name	Mandatory	Description	Default	Type
⬅️ Input		Must match the input types of the first shard in the sequence.		Any
Output ➡️		Will match the output types of the first shard of the sequence.		Any
Shards	No	The shards to activate.	none	Shard[Shard]None
Else	No	The shards to activate on failure.	none	Shard[Shard]None
Silent	No	If logging should be disabled while running the shards (this will also disable (Log) and (Msg) shards) and no warning message should be printed on failure.	false	Bool

Attempts to activate a shard or a sequence of shards. Upon failure, activate another shard or sequence of shards.

Examples

Code

[1 2] | Maybe({
  Take(3)
} {
  Take(0)
} Silent: true) | Log("result")

[1 2] | Maybe({
  Take(3)
} {
  Msg("Invalid, default to 42" Level: LogLevel::Warning)
  42
} Silent: true) | Log("result")

[info] [sample-wire] result: 1
[info] [sample-wire] result: 42

 

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