gee: Fix type-arguments in cast

diff --git a/gee/collection.vala b/gee/collection.vala
index 84162232a7cfeebebda41e21bd161910427e898b..eeaf1cd6d75b3412cc6669e9325002ebbcd61b32 100644 (file)
--- a/gee/collection.vala
+++ b/gee/collection.vala
@@ -108,17 +108,17 @@ public abstract class Vala.Collection<G> : Iterable<G> {
                } else if (t == typeof (uint)) {
                        return (G[]) to_uint_array ((Collection<uint>) this);
                } else if (t == typeof (int64)) {
-                       return (G[]) to_int64_array ((Collection<int64>) this);
+                       return (G[]) to_int64_array ((Collection<int64?>) this);
                } else if (t == typeof (uint64)) {
-                       return (G[]) to_uint64_array ((Collection<uint64>) this);
+                       return (G[]) to_uint64_array ((Collection<uint64?>) this);
                } else if (t == typeof (long)) {
                        return (G[]) to_long_array ((Collection<long>) this);
                } else if (t == typeof (ulong)) {
                        return (G[]) to_ulong_array ((Collection<ulong>) this);
                } else if (t == typeof (float)) {
-                       return (G[]) to_float_array ((Collection<float>) this);
+                       return (G[]) to_float_array ((Collection<float?>) this);
                } else if (t == typeof (double)) {
-                       return (G[]) to_double_array ((Collection<double>) this);
+                       return (G[]) to_double_array ((Collection<double?>) this);
                } else if (t.is_enum () || t.is_flags ()) {
                        return (G[]) to_int_array ((Collection<int>) this);
                } else {