SemverQuery(
id: "enum_non_exhaustive_struct_variant_field_added",
human_readable_name: "pub enum #[non_exhaustive] struct variant field added",
description: "A pub enum's #[non_exhaustive] struct variant has a new field.",
required_update: Minor,
lint_level: Allow,
reference_link: Some("https://doc.rust-lang.org/reference/attributes/type_system.html#the-non_exhaustive-attribute"),
query: r#"
{
CrateDiff {
current {
item {
... on Enum {
visibility_limit @filter(op: "=", value: ["$public"])
enum_name: name @output
importable_path {
path @output @tag
public_api @filter(op: "=", value: ["$true"])
}
variant {
... on StructVariant {
public_api_eligible @filter(op: "=", value: ["$true"])
variant_name: name @output @tag
field {
field_name: name @output @tag
span_: span @optional {
filename @output
begin_line @output
end_line @output
}
}
}
}
}
}
}
baseline {
item {
... on Enum {
visibility_limit @filter(op: "=", value: ["$public"])
importable_path {
path @filter(op: "=", value: ["%path"])
public_api @filter(op: "=", value: ["$true"])
}
variant {
... on StructVariant {
name @filter(op: "=", value: ["%variant_name"])
attrs @filter(op: "contains", value: ["$non_exhaustive"])
public_api_eligible @filter(op: "=", value: ["$true"])
field @fold @transform(op: "count") @filter(op: "=", value: ["$zero"]) {
name @filter(op: "=", value: ["%field_name"])
}
}
}
}
}
}
}
}"#,
arguments: {
"public": "public",
"true": true,
"zero": 0,
"non_exhaustive": "#[non_exhaustive]",
},
error_message: "A field was added to an enum's non-exhaustive struct variant.",
per_result_error_template: Some("field {{field_name}} of variant {{enum_name}}::{{variant_name}} in {{span_filename}}:{{span_begin_line}}"),
)