Alexander Markov
e285bc52d7
This CL contains 2 optimizations: * instantiator type arguments are reused if possible; * instantiator and function type arguments are not loaded if they are not needed for a particular type being instantiated. Change-Id: Id1f6e5385051044b3b9f78cef884a917e65e801d Reviewed-on: https://dart-review.googlesource.com/58680 Reviewed-by: Zach Anderson <zra@google.com> Reviewed-by: Régis Crelier <regis@google.com> Commit-Queue: Alexander Markov <alexmarkov@google.com>
65 lines
982 B
Dart
65 lines
982 B
Dart
// Copyright (c) 2018, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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class Base<T1, T2> {
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T1 t1;
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T2 t2;
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Base() {
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print('Base: $T1, $T2');
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}
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}
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class A extends Base<int, String> {
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A(String s);
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}
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class B<T> extends Base<List<T>, String> {
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B() {
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print('B: $T');
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}
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}
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class C {
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C(String s) {
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print('C: $s');
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}
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}
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foo1() => new C('hello');
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void foo2() {
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new A('hi');
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new B<int>();
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}
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void foo3<T>() {
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new B<List<T>>();
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}
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class E<K, V> {
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test_reuse1() => new Map<K, V>();
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}
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class F<K, V> extends E<String, List<V>> {
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test_reuse2() => new Map<String, List<V>>();
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}
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class G<K, V> {
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G();
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factory G.test_factory() => new H<String, K, V>();
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}
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class H<P1, P2, P3> extends G<P2, P3> {}
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void foo4() {
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new G<int, List<String>>.test_factory();
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}
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main() {
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foo1();
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foo2();
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foo3<String>();
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}
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