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57 lines
1.4 KiB
57 lines
1.4 KiB
//
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// DISCLAIMER
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//
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// Copyright 2017 ArangoDB GmbH, Cologne, Germany
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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// Copyright holder is ArangoDB GmbH, Cologne, Germany
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//
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// Author Ewout Prangsma
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//
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package velocypack
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const (
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minIndexVectorGrowDelta = 32
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maxIndexVectorGrowDelta = 1024
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)
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// indexVector is a list of index of positions.
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type indexVector []ValueLength
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// Add an index position to the end of the list.
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func (iv *indexVector) Add(v ValueLength) {
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*iv = append(*iv, v)
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}
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// RemoveLast removes the last index position from the end of the list.
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func (iv *indexVector) RemoveLast() {
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l := len(*iv)
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if l > 0 {
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*iv = (*iv)[:l-1]
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}
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}
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// Clear removes all entries
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func (iv *indexVector) Clear() {
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if len(*iv) > 0 {
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*iv = (*iv)[0:0]
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}
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}
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// IsEmpty returns true if there are no values on the vector.
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func (iv indexVector) IsEmpty() bool {
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l := len(iv)
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return l == 0
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}
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