35 lines
896 B
Rust
35 lines
896 B
Rust
// aux-build:uninhabited.rs
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#![feature(never_type)]
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extern crate uninhabited;
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use uninhabited::{
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UninhabitedEnum,
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UninhabitedStruct,
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UninhabitedTupleStruct,
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UninhabitedVariants,
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};
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struct A;
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// This test checks that an empty match on a non-exhaustive uninhabited type from an extern crate
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// will not compile.
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fn cannot_empty_match_on_empty_enum_to_anything(x: UninhabitedEnum) -> A {
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match x {} //~ ERROR non-exhaustive patterns
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}
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fn cannot_empty_match_on_empty_struct_to_anything(x: UninhabitedStruct) -> A {
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match x {} //~ ERROR non-exhaustive patterns
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}
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fn cannot_empty_match_on_empty_tuple_struct_to_anything(x: UninhabitedTupleStruct) -> A {
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match x {} //~ ERROR non-exhaustive patterns
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}
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fn cannot_empty_match_on_enum_with_empty_variants_struct_to_anything(x: UninhabitedVariants) -> A {
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match x {} //~ ERROR non-exhaustive patterns
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}
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fn main() {}
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