pub(super) fn closure_expr(
sema: &Semantics<'_, RootDatabase>,
config: &HoverConfig<'_>,
c: ClosureExpr,
edition: Edition,
display_target: DisplayTarget,
) -> Option<HoverResult>pub(super) fn closure_expr(
sema: &Semantics<'_, RootDatabase>,
config: &HoverConfig<'_>,
c: ClosureExpr,
edition: Edition,
display_target: DisplayTarget,
) -> Option<HoverResult>