mirror of
https://github.com/superseriousbusiness/gotosocial
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40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
// Copyright 2022 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build go1.20
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package slog
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import "unsafe"
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type (
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stringptr *byte // used in Value.any when the Value is a string
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groupptr *Attr // used in Value.any when the Value is a []Attr
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)
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// StringValue returns a new Value for a string.
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func StringValue(value string) Value {
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return Value{num: uint64(len(value)), any: stringptr(unsafe.StringData(value))}
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}
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// GroupValue returns a new Value for a list of Attrs.
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// The caller must not subsequently mutate the argument slice.
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func GroupValue(as ...Attr) Value {
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return Value{num: uint64(len(as)), any: groupptr(unsafe.SliceData(as))}
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}
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// String returns Value's value as a string, formatted like fmt.Sprint. Unlike
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// the methods Int64, Float64, and so on, which panic if v is of the
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// wrong kind, String never panics.
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func (v Value) String() string {
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if sp, ok := v.any.(stringptr); ok {
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return unsafe.String(sp, v.num)
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}
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return string(v.append(nil))
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}
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func (v Value) str() string {
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return unsafe.String(v.any.(stringptr), v.num)
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}
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