58 lines
1.4 KiB
Go
58 lines
1.4 KiB
Go
/*
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* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
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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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package runtime
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import (
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"unsafe"
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)
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// -----------------------------------------------------------------------------
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// Slice is the runtime representation of a slice.
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type Slice struct {
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data unsafe.Pointer
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len int
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cap int
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}
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// NilSlice returns a nil slice.
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func NilSlice() Slice {
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return Slice{nil, 0, 0}
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}
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// NewSlice creates a new slice.
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func NewSlice(data unsafe.Pointer, len, cap int) Slice {
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return Slice{data, len, cap}
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}
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// SliceLen returns the length of a slice.
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func SliceLen(s Slice) int {
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return s.len
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}
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// SliceCap returns the capacity of a slice.
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func SliceCap(s Slice) int {
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return s.cap
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}
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// SliceData returns the data pointer of a slice.
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func SliceData(s Slice) unsafe.Pointer {
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return s.data
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}
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// -----------------------------------------------------------------------------
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