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What does it mean to compose two Procs in Ruby?

easy📝 Conceptual Q1 of 15
Ruby - Functional Patterns in Ruby
What does it mean to compose two Procs in Ruby?
ARun both Procs at the same time in parallel
BCombine two Procs into an array
CConvert Procs into methods automatically
DCreate a new Proc that applies one Proc after the other
Step-by-Step Solution
Solution:
  1. Step 1: Understand Proc composition concept

    Composing Procs means chaining them so output of one is input to another.
  2. Step 2: Identify the effect of composition

    The result is a new Proc that applies the first Proc, then the second.
  3. Final Answer:

    Create a new Proc that applies one Proc after the other -> Option D
  4. Quick Check:

    Proc composition = chaining Procs [OK]
Quick Trick: Composition chains Procs output to input [OK]
Common Mistakes:
  • Thinking composition merges Procs into a list
  • Assuming Procs run simultaneously
  • Believing Procs auto-convert to methods

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