(body_id, generator_option)
});
- let bound_generic_params = self.lower_lifetime_binder(closure_id, generic_params);
- // Lower outside new scope to preserve `is_in_loop_condition`.
- let fn_decl = self.lower_fn_decl(decl, None, FnDeclKind::Closure, None);
-
- let c = self.arena.alloc(hir::Closure {
- binder: binder_clause,
- capture_clause,
- bound_generic_params,
- fn_decl,
- body: body_id,
- fn_decl_span: self.lower_span(fn_decl_span),
- movability: generator_option,
- });
+ self.lower_lifetime_binder(closure_id, generic_params, |lctx, bound_generic_params| {
+ // Lower outside new scope to preserve `is_in_loop_condition`.
+ let fn_decl = lctx.lower_fn_decl(decl, None, FnDeclKind::Closure, None);
+
+ let c = lctx.arena.alloc(hir::Closure {
+ binder: binder_clause,
+ capture_clause,
+ bound_generic_params,
+ fn_decl,
+ body: body_id,
+ fn_decl_span: lctx.lower_span(fn_decl_span),
+ movability: generator_option,
+ });
- hir::ExprKind::Closure(c)
+ hir::ExprKind::Closure(c)
+ })
}
fn generator_movability_for_fn(
body_id
});
- let bound_generic_params = self.lower_lifetime_binder(closure_id, generic_params);
-
- // We need to lower the declaration outside the new scope, because we
- // have to conserve the state of being inside a loop condition for the
- // closure argument types.
- let fn_decl = self.lower_fn_decl(&outer_decl, None, FnDeclKind::Closure, None);
-
- let c = self.arena.alloc(hir::Closure {
- binder: binder_clause,
- capture_clause,
- bound_generic_params,
- fn_decl,
- body,
- fn_decl_span: self.lower_span(fn_decl_span),
- movability: None,
- });
- hir::ExprKind::Closure(c)
+ self.lower_lifetime_binder(closure_id, generic_params, |lctx, bound_generic_params| {
+ // We need to lower the declaration outside the new scope, because we
+ // have to conserve the state of being inside a loop condition for the
+ // closure argument types.
+ let fn_decl = lctx.lower_fn_decl(&outer_decl, None, FnDeclKind::Closure, None);
+
+ let c = lctx.arena.alloc(hir::Closure {
+ binder: binder_clause,
+ capture_clause,
+ bound_generic_params,
+ fn_decl,
+ body,
+ fn_decl_span: lctx.lower_span(fn_decl_span),
+ movability: None,
+ });
+ hir::ExprKind::Closure(c)
+ })
}
/// Destructure the LHS of complex assignments.