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Grab dependencies
Learn Grab dependencies in Groovy through a focused explanation, a dedicated topic-specific example, an engineering boundary, and a mastery check.
Grab dependencies is a focused Groovy lesson inside Concurrency Testing Build. The example uses the construct named in the lesson directly rather than reusing a generic placeholder.
Trace the example from its inputs through Grab dependencies and identify the behavior that would change if that construct were removed or replaced. Pay attention to the language-specific rules shown by the syntax, because neighboring lessons intentionally exercise different mechanisms.
Topic-specific example
def sample80 = [80, 81, 82]
println sample80.sum() // Grab dependencies
For Grab dependencies, test one realistic boundary: empty data, invalid input, unavailable resources, lifetime/cleanup, type constraints, or concurrency timing where applicable. A successful happy path is not enough to prove the construct is used correctly.