/* * Copyright (C) 2017 Yusuke Suzuki <utatane.tea@gmail.com>. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ // We keep this function small very carefully to encourage inlining. @globalPrivate function setIteratorNext(bucket, kind) { "use strict"; var value; bucket = @setBucketNext(bucket); this.@setBucket = bucket; var done = bucket === @sentinelSetBucket; if (!done) { value = @setBucketKey(bucket); if (kind === @iterationKindKeyValue) value = [ value, value ] } return { done, value }; } function next() { "use strict"; if (this == null) @throwTypeError("%SetIteratorPrototype%.next requires that |this| not be null or undefined"); var bucket = this.@setBucket; if (bucket === @undefined) @throwTypeError("%SetIteratorPrototype%.next requires that |this| be a Set Iterator instance"); return @setIteratorNext.@call(this, bucket, this.@setIteratorKind); }