Implement modular compilation

test/codegen/expect/collection/src/canonicalized_map.js

-dart_library.library('collection/src/canonicalized_map', null, /* Imports */[
-  'dart/_runtime',
-  'dart/core',
-  'collection/src/utils',
-  'dart/collection'
-], /* Lazy imports */[
-], function(exports, dart, core, utils, collection) {
-  'use strict';
-  let dartx = dart.dartx;
-  const _Canonicalize$ = dart.generic(function(C, K) {
-    const _Canonicalize = dart.typedef('_Canonicalize', () => dart.functionType(C, [K]));
-    return _Canonicalize;
-  });
-  let _Canonicalize = _Canonicalize$();
-  const _IsValidKey = dart.typedef('_IsValidKey', () => dart.functionType(core.bool, [core.Object]));
-  const _base = Symbol('_base');
-  const _canonicalize = Symbol('_canonicalize');
-  const _isValidKeyFn = Symbol('_isValidKeyFn');
-  const _isValidKey = Symbol('_isValidKey');
-  const CanonicalizedMap$ = dart.generic(function(C, K, V) {
-    class CanonicalizedMap extends core.Object {
-      CanonicalizedMap(canonicalize, opts) {
-        let isValidKey = opts && 'isValidKey' in opts ? opts.isValidKey : null;
-        this[_base] = core.Map$(C, utils.Pair$(K, V)).new();
-        this[_canonicalize] = canonicalize;
-        this[_isValidKeyFn] = isValidKey;
-      }
-      from(other, canonicalize, opts) {
-        let isValidKey = opts && 'isValidKey' in opts ? opts.isValidKey : null;
-        this[_base] = core.Map$(C, utils.Pair$(K, V)).new();
-        this[_canonicalize] = canonicalize;
-        this[_isValidKeyFn] = isValidKey;
-        this.addAll(other);
-      }
-      get(key) {
-        if (!dart.notNull(this[_isValidKey](key))) return null;
-        let pair = this[_base][dartx.get](this[_canonicalize](dart.as(key, K)));
-        return pair == null ? null : pair.last;
-      }
-      set(key, value) {
-        (() => {
-          dart.as(key, K);
-          dart.as(value, V);
-          if (!dart.notNull(this[_isValidKey](key))) return;
-          this[_base][dartx.set](this[_canonicalize](key), new (utils.Pair$(K, V))(key, value));
-        })();
-        return value;
-      }
-      addAll(other) {
-        dart.as(other, core.Map$(K, V));
-        other[dartx.forEach](dart.fn((key, value) => {
-          dart.as(key, K);
-          dart.as(value, V);
-          return this.set(key, value);
-        }, V, [K, V]));
-      }
-      clear() {
-        this[_base][dartx.clear]();
-      }
-      containsKey(key) {
-        if (!dart.notNull(this[_isValidKey](key))) return false;
-        return this[_base][dartx.containsKey](this[_canonicalize](dart.as(key, K)));
-      }
-      containsValue(value) {
-        return this[_base][dartx.values][dartx.any](dart.fn(pair => {
-          dart.as(pair, utils.Pair$(K, V));
-          return dart.equals(pair.last, value);
-        }, core.bool, [utils.Pair$(K, V)]));
-      }
-      forEach(f) {
-        dart.as(f, dart.functionType(dart.void, [K, V]));
-        this[_base][dartx.forEach](dart.fn((key, pair) => {
-          dart.as(key, C);
-          dart.as(pair, utils.Pair$(K, V));
-          return f(pair.first, pair.last);
-        }, dart.void, [C, utils.Pair$(K, V)]));
-      }
-      get isEmpty() {
-        return this[_base][dartx.isEmpty];
-      }
-      get isNotEmpty() {
-        return this[_base][dartx.isNotEmpty];
-      }
-      get keys() {
-        return this[_base][dartx.values][dartx.map](dart.fn(pair => {
-          dart.as(pair, utils.Pair$(K, V));
-          return pair.first;
-        }, K, [utils.Pair$(K, V)]));
-      }
-      get length() {
-        return this[_base][dartx.length];
-      }
-      putIfAbsent(key, ifAbsent) {
-        dart.as(key, K);
-        dart.as(ifAbsent, dart.functionType(V, []));
-        return this[_base][dartx.putIfAbsent](this[_canonicalize](key), dart.fn(() => new (utils.Pair$(K, V))(key, ifAbsent()), utils.Pair$(K, V), [])).last;
-      }
-      remove(key) {
-        if (!dart.notNull(this[_isValidKey](key))) return null;
-        let pair = this[_base][dartx.remove](this[_canonicalize](dart.as(key, K)));
-        return pair == null ? null : pair.last;
-      }
-      get values() {
-        return this[_base][dartx.values][dartx.map](dart.fn(pair => {
-          dart.as(pair, utils.Pair$(K, V));
-          return pair.last;
-        }, V, [utils.Pair$(K, V)]));
-      }
-      toString() {
-        return collection.Maps.mapToString(this);
-      }
-      [_isValidKey](key) {
-        return (key == null || dart.is(key, K)) && (this[_isValidKeyFn] == null || dart.notNull(this[_isValidKeyFn](key)));
-      }
-    }
-    CanonicalizedMap[dart.implements] = () => [core.Map$(K, V)];
-    dart.defineNamedConstructor(CanonicalizedMap, 'from');
-    dart.setSignature(CanonicalizedMap, {
-      constructors: () => ({
-        CanonicalizedMap: [CanonicalizedMap$(C, K, V), [dart.functionType(C, [K])], {isValidKey: dart.functionType(core.bool, [core.Object])}],
-        from: [CanonicalizedMap$(C, K, V), [core.Map$(K, V), dart.functionType(C, [K])], {isValidKey: dart.functionType(core.bool, [core.Object])}]
-      }),
-      methods: () => ({
-        get: [V, [core.Object]],
-        set: [dart.void, [K, V]],
-        addAll: [dart.void, [core.Map$(K, V)]],
-        clear: [dart.void, []],
-        containsKey: [core.bool, [core.Object]],
-        containsValue: [core.bool, [core.Object]],
-        forEach: [dart.void, [dart.functionType(dart.void, [K, V])]],
-        putIfAbsent: [V, [K, dart.functionType(V, [])]],
-        remove: [V, [core.Object]],
-        [_isValidKey]: [core.bool, [core.Object]]
-      })
-    });
-    dart.defineExtensionMembers(CanonicalizedMap, [
-      'get',
-      'set',
-      'addAll',
-      'clear',
-      'containsKey',
-      'containsValue',
-      'forEach',
-      'putIfAbsent',
-      'remove',
-      'isEmpty',
-      'isNotEmpty',
-      'keys',
-      'length',
-      'values'
-    ]);
-    return CanonicalizedMap;
-  });
-  let CanonicalizedMap = CanonicalizedMap$();
-  // Exports:
-  exports.CanonicalizedMap$ = CanonicalizedMap$;
-  exports.CanonicalizedMap = CanonicalizedMap;
-});