Comma-Ok Idiom

Pattern for safely testing map key existence or type assertion success using value, ok := map[key] or value, ok := interface.(Type). Returns both value and boolean status, preventing panics and distinguishing zero values from missing keys.

Visit the following resources to learn more:

• @article@The Comma Ok Idiom
• @article@How the Comma Ok Idiom and Package System Work in Go
• @article@Statement Idioms in Go