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bail out early for source code closures

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add closure error
This commit is contained in:
hi-rustin 2021-03-22 15:17:01 +08:00
parent 0d40ff5e62
commit 2e09714dfe
1 changed files with 6 additions and 0 deletions
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6
crates/hir_ty/src/display.rs
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@ -190,6 +190,7 @@ impl DisplayTarget {
pub enum DisplaySourceCodeError { pub enum DisplaySourceCodeError {
PathNotFound, PathNotFound,
UnknownType, UnknownType,
Closure,
} }
pub enum HirDisplayError { pub enum HirDisplayError {
@ -539,6 +540,11 @@ impl HirDisplay for Ty {
} }
} }
TyKind::Closure(.., substs) => { TyKind::Closure(.., substs) => {
if f.display_target.is_source_code() {
return Err(HirDisplayError::DisplaySourceCodeError(
DisplaySourceCodeError::Closure,
));
}
let sig = substs[0].callable_sig(f.db); let sig = substs[0].callable_sig(f.db);
if let Some(sig) = sig { if let Some(sig) = sig {
if sig.params().is_empty() { if sig.params().is_empty() {