mirror of https://github.com/rust-lang/rust
68 lines
2.5 KiB
Rust
68 lines
2.5 KiB
Rust
struct S(i32, f32);
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enum E {
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S(i32, f32),
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}
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struct Point4(i32, i32, i32, i32);
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fn main() {
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match S(0, 1.0) {
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S(x) => {}
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//~^ ERROR this pattern has 1 field, but the corresponding tuple struct has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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}
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match S(0, 1.0) {
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S(_) => {}
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//~^ ERROR this pattern has 1 field, but the corresponding tuple struct has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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//~| HELP use `..` to ignore all fields
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}
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match S(0, 1.0) {
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S() => {}
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//~^ ERROR this pattern has 0 fields, but the corresponding tuple struct has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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//~| HELP use `..` to ignore all fields
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// Test non-standard formatting
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S () => {}
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//~^ ERROR this pattern has 0 fields, but the corresponding tuple struct has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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//~| HELP use `..` to ignore all fields
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}
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match E::S(0, 1.0) {
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E::S(x) => {}
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//~^ ERROR this pattern has 1 field, but the corresponding tuple variant has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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}
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match E::S(0, 1.0) {
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E::S(_) => {}
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//~^ ERROR this pattern has 1 field, but the corresponding tuple variant has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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//~| HELP use `..` to ignore all fields
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}
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match E::S(0, 1.0) {
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E::S() => {}
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//~^ ERROR this pattern has 0 fields, but the corresponding tuple variant has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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//~| HELP use `..` to ignore all fields
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// Test non-standard formatting
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E::S () => {}
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//~^ ERROR this pattern has 0 fields, but the corresponding tuple variant has 2 fields
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//~| HELP use `_` to explicitly ignore each field
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//~| HELP use `..` to ignore all fields
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}
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match E::S(0, 1.0) {
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E::S => {}
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//~^ ERROR expected unit struct, unit variant or constant, found tuple variant `E::S`
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//~| HELP use the tuple variant pattern syntax instead
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}
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match Point4(0, 1, 2, 3) {
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Point4( a , _ ) => {}
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//~^ ERROR this pattern has 2 fields, but the corresponding tuple struct has 4 fields
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//~| HELP use `_` to explicitly ignore each field
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//~| HELP use `..` to ignore the rest of the fields
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}
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}
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