pattern matching

SKILL.md

Pattern matching replaces ALL imperative control flow in Effect code. There should be ZERO if/else statements, switch/case blocks, or ternary operators in idiomatic Effect code.

| if/else chains | Match.value + Match.when | | switch/case statements | Match.type + Match.tag | | Ternary operators (? :) | Match.value + Match.when | | Null checks | Option.match | | Error checks | Either.match or Effect.match | | Type guards | Match.when with Schema.is() |

When you encounter imperative control flow, refactor it to pattern matching immediately.

在用户询问"Effect Match"、"模式匹配"、"Match.type"、"Match.tag"、"Match.when"、"Schema.is()"、"Schema.is with Match"、"穷尽匹配"、"判别联合"、"Match.value"、"将 switch 转换为 Match"、"将 if/else 转换为 Match"、"TaggedClass with Match"，或需要理解 Effect 如何提供类型安全的穷尽模式匹配时使用。 来源：andrueandersoncs/claude-skill-effect-ts。

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