SemverQuery(
id: "trait_newly_sealed",
human_readable_name: "pub trait became sealed",
description: "A public trait became sealed, so users of this trait can not implement it anymore",
required_update: Major,
lint_level: Deny,
reference_link: Some("https://rust-lang.github.io/api-guidelines/future-proofing.html#sealed-traits-protect-against-downstream-implementations-c-sealed"),
query: r#"
{
CrateDiff {
baseline {
item {
... on Trait {
visibility_limit @filter(op: "=", value: ["$public"]) @output
public_api_sealed @filter(op: "!=", value: ["$true"])
importable_path {
path @output @tag
public_api @filter(op: "=", value: ["$true"])
}
}
}
}
current {
item {
... on Trait {
visibility_limit @filter(op: "=", value: ["$public"])
public_api_sealed @filter(op: "=", value: ["$true"])
name @output
importable_path {
path @filter(op: "=", value: ["%path"])
public_api @filter(op: "=", value: ["$true"])
}
span_: span @optional {
filename @output
begin_line @output
end_line @output
}
}
}
}
}
}"#,
arguments: {
"public": "public",
"true": true,
},
error_message: "A publicly-visible trait became sealed, so downstream crates are no longer able to implement it",
per_result_error_template: Some("trait {{join \"::\" path}} in file {{span_filename}}:{{span_begin_line}}"),
)