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Touch up PR 2553

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This commit is contained in:
David Tolnay
2023-08-05 22:12:38 -07:00
parent 73931692b2
commit bd7b0e257e
8 changed files with 62 additions and 66 deletions
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test_suite/tests/ui/default-attribute/tuple_struct_path.rs
+18 -19
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@@ -4,72 +4,71 @@ fn d<T>() -> T {
unimplemented!()
}
/// No errors expected:
/// - if both fields are provided, both gets value from data
/// - if only one field is provided, the second gets default value
// No errors expected:
// - If both fields are provided, both get value from data.
// - If only one field is provided, the second gets default value.
#[derive(Deserialize)]
struct T1(u8, #[serde(default = "d")] u8);
/// Errors expected -- the first field can get default value only if sequence is
/// empty, but that mean that all other fields cannot be deserialized without
/// errors, so the `#[serde(default)]` attribute is superfluous
// ERROR: The first field can get default value only if sequence is empty, but
// that mean that all other fields cannot be deserialized without errors.
#[derive(Deserialize)]
struct T2(#[serde(default = "d")] u8, u8, u8);
/// No errors expected:
/// - if both fields are provided, both gets value from data
/// - if only one field is provided, the second gets default value
/// - if none fields are provided, both gets default value
// No errors expected:
// - If both fields are provided, both get value from data.
// - If only one field is provided, the second gets default value.
// - If no fields are provided, both get default value.
#[derive(Deserialize)]
struct T3(#[serde(default = "d")] u8, #[serde(default = "d")] u8);
////////////////////////////////////////////////////////////////////////////////
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize, Default)]
#[serde(default)]
struct T1D(#[serde(default = "d")] u8, u8);
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize, Default)]
#[serde(default)]
struct T2D(u8, #[serde(default = "d")] u8);
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize, Default)]
#[serde(default)]
struct T3D(#[serde(default = "d")] u8, #[serde(default = "d")] u8);
////////////////////////////////////////////////////////////////////////////////
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize)]
#[serde(default = "d")]
struct T1Path(#[serde(default)] u8, u8);
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize)]
#[serde(default = "d")]
struct T2Path(u8, #[serde(default)] u8);
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize)]
#[serde(default = "d")]
struct T3Path(#[serde(default)] u8, #[serde(default)] u8);
////////////////////////////////////////////////////////////////////////////////
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize)]
#[serde(default = "d")]
struct T1PathD(#[serde(default = "d")] u8, u8);
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize)]
#[serde(default = "d")]
struct T2PathD(u8, #[serde(default = "d")] u8);
/// No errors expected -- missing fields gets default values
// No errors expected -- missing fields get default values.
#[derive(Deserialize)]
#[serde(default = "d")]
struct T3PathD(#[serde(default = "d")] u8, #[serde(default = "d")] u8);