E3035: refutable pattern in binding

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What this means

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Metadata

• Code: E3035
• Default level: Error
• Phase: Type Check
• Canonical docs URL: https://docs.brim-lang.com/diagnostics/E3035
• Tags: types, patterns

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How to fix

• use let-else/if let
• make pattern irrefutable

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Typical output

E3035: refutable pattern in binding
note: irrefutable binding site requires irrefutable pattern