SemverQuery(
id: "function_const_removed",
human_readable_name: "pub fn is no longer const",
description: "A function can no longer be called in a const context.",
required_update: Major,
lint_level: Deny,
reference_link: Some("https://doc.rust-lang.org/reference/const_eval.html"),
query: r#"
{
CrateDiff {
baseline {
item {
... on Function {
visibility_limit @filter(op: "=", value: ["$public"]) @output
const @filter(op: "=", value: ["$true"])
importable_path {
path @output @tag
public_api @filter(op: "=", value: ["$true"])
}
}
}
}
current {
item {
... on Function {
visibility_limit @filter(op: "=", value: ["$public"])
name @output
const @filter(op: "!=", value: ["$true"])
importable_path {
path @filter(op: "=", value: ["%path"])
public_api @filter(op: "=", value: ["$true"])
}
span_: span @optional {
filename @output
begin_line @output
end_line @output
}
}
}
}
}
}"#,
arguments: {
"public": "public",
"true": true,
},
error_message: "A publicly-visible function is no longer `const` and can no longer be used in a `const` context.",
per_result_error_template: Some("function {{join \"::\" path}} in file {{span_filename}}:{{span_begin_line}}"),
witness: (
hint_template: r#"const fn witness() {
{{join "::" path}}(...);
}"#,
),
)