E3036: guard expression not bool

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What this means

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Metadata

• Code: E3036
• Default level: Error
• Phase: Type Check
• Canonical docs URL: https://docs.brim-lang.com/diagnostics/E3036
• Tags: types, match

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How to fix

• return bool
• compare explicitly

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Typical output

E3036: guard expression not bool
note: match guard must be boolean typed