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並前往https://newbedev.com/how-do-i-assert-an-enum-is-a-specific-variant-if-i-don-t-care-about-its-fields

How do I assert an enum is a specific variant if I ... - Newbedev

Rust 1.42 You can use std::matches: assert!(matches!(return_with_fields() ... fn is_with_fields(&self) -> bool { match self { MyEnum::WithFields { .

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