Utility Combinators

Always

class Always(Combinator[T])

A combinator that always succeeds. Returns (True, ctx) for any input.

from kompoz import Always

always = Always()
ok, result = always.run(anything)  # (True, anything)

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Never

class Never(Combinator[T])

A combinator that always fails. Returns (False, ctx) for any input.

from kompoz import Never

never = Never()
ok, result = never.run(anything)  # (False, anything)

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Debug

class Debug(Combinator[T])

A combinator that prints the context and always succeeds. Useful for debugging pipelines.

Constructor:

Debug(label: str = "")

Example:

from kompoz import Debug

# Insert into a pipeline to inspect intermediate values
pipeline = step_a & Debug("after step_a") & step_b