//! Logic for rendering the different hover messages
+use std::fmt::Display;
+
use either::Either;
-use hir::{AsAssocItem, Const, HasAttrs, HasSource, HirDisplay, Semantics, TypeInfo};
+use hir::{AsAssocItem, HasAttrs, HasSource, HirDisplay, Semantics, TypeInfo};
use ide_db::{
base_db::SourceDatabase,
defs::Definition,
Definition::Function(it) => label_and_docs(db, it),
Definition::Adt(it) => label_and_docs(db, it),
Definition::Variant(it) => label_and_docs(db, it),
- Definition::Const(it) => const_label_value_and_docs(db, it),
- Definition::Static(it) => label_and_docs(db, it),
+ Definition::Const(it) => label_value_and_docs(db, it, |it| it.value(db)),
+ Definition::Static(it) => label_value_and_docs(db, it, |it| it.value(db)),
Definition::Trait(it) => label_and_docs(db, it),
Definition::TypeAlias(it) => label_and_docs(db, it),
Definition::BuiltinType(it) => {
(label, docs)
}
-fn const_label_value_and_docs(
+fn label_value_and_docs<D, E, V>(
db: &RootDatabase,
- konst: Const,
-) -> (String, Option<hir::Documentation>) {
- let label = if let Some(expr) = konst.value(db) {
- format!("{} = {}", konst.display(db), expr)
+ def: D,
+ value_extractor: E,
+) -> (String, Option<hir::Documentation>)
+where
+ D: HasAttrs + HirDisplay,
+ E: Fn(&D) -> Option<V>,
+ V: Display,
+{
+ let label = if let Some(value) = (value_extractor)(&def) {
+ format!("{} = {}", def.display(db), value)
} else {
- konst.display(db).to_string()
+ def.display(db).to_string()
};
-
- let docs = konst.attrs(db).docs();
-
+ let docs = def.attrs(db).docs();
(label, docs)
}