38 lines
1.1 KiB
Go
38 lines
1.1 KiB
Go
// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
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// Use of this source code is governed by the GPL 3.0
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package main
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import (
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"fmt"
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"io"
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)
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// new idea. useful? TODO: look at this again in 1y
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// Mar 2025. yes. this is useful
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func (msg *MsgName) insertBy(w io.Writer, FRUITS, FRUIT, APPLE string, COLOR string) string {
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LOCK := msg.getLockname("x")
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funcdef := "func (x *" + FRUITS + ") InsertBy" + APPLE + " (y " + COLOR + ") *" + FRUIT + " {"
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fmt.Fprintln(w, "// returns a "+FRUIT+" if "+APPLE+" matches, otherwise create")
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fmt.Fprintln(w, funcdef)
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fmt.Fprintln(w, " "+LOCK+".Lock()")
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fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
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fmt.Fprintln(w, "")
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fmt.Fprintln(w, " for _, z := range x."+FRUITS+" {")
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fmt.Fprintln(w, " if z."+APPLE+" == y {")
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fmt.Fprintln(w, " return z")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, " }")
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fmt.Fprintln(w, "")
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fmt.Fprintln(w, " z := new("+FRUIT+")")
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fmt.Fprintln(w, " z."+APPLE+" = y")
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fmt.Fprintln(w, " x."+FRUITS+" = append(x."+FRUITS+", z)")
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fmt.Fprintln(w, " return z")
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fmt.Fprintln(w, "}")
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fmt.Fprintln(w, "")
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return funcdef
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}
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