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Yukihiro "Matz" Matsumoto
dadfac678d
Implement Phase 1 of Ruby pattern matching: - value patterns (literals, constants, nil/true/false) - variable patterns (binds matched value) - alternative patterns (pat1 | pat2) - as patterns (pattern => var) Pattern matching uses === operator for value comparison, allowing type checking with class patterns (e.g., in Integer). Co-authored-by: Claude <noreply@anthropic.com>