E3013: unreachable pattern

Documentation Index

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What this means

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Metadata

• Code: E3013
• Default level: Warning
• Phase: Type Check
• Canonical docs URL: https://docs.brim-lang.com/diagnostics/E3013
• Tags: types, patterns

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How to fix

• delete unreachable arm
• reorder patterns

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Typical output

E3013: unreachable pattern
note: pattern arm can never match