fn walk_block<'hir>(
ctx: &LintContext<'_, '_>,
hir: &'hir Hir<'hir>,
block: Block<'hir>,
callable: &HashMap<Symbol, Vec<&'hir Function<'hir>>>,
)fn walk_block<'hir>(
ctx: &LintContext<'_, '_>,
hir: &'hir Hir<'hir>,
block: Block<'hir>,
callable: &HashMap<Symbol, Vec<&'hir Function<'hir>>>,
)