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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0
package main
import (
"fmt"
"io"
)
// generate Delete() functions
func (msg *MsgName) addDeleteFunc(w io.Writer, FRUIT, APPLES, APPLE string) string {
LOCK := msg.getLockname("x")
funcdef := "func (x *" + FRUIT + ") Delete(y *" + APPLE + ") bool"
fmt.Fprintln(w, funcdef, "{")
fmt.Fprintln(w, " "+LOCK+".Lock()")
fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " for i, _ := range x."+APPLES+" {")
fmt.Fprintln(w, " if x."+APPLES+"[i] == y {")
fmt.Fprintln(w, " x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
fmt.Fprintln(w, " x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
fmt.Fprintln(w, " return true")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " return false")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
return funcdef
}
func (msg *MsgName) deleteBy(w io.Writer, FRUIT, APPLES, APPLE, COLOR, FUNCNAME, VARNAME string) string {
LOCK := msg.getLockname("x")
funcdef := "func (x *" + FRUIT + ") " + FUNCNAME + "(s string) bool"
fmt.Fprintln(w, funcdef, "{")
fmt.Fprintln(w, " "+LOCK+".Lock()")
fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " for i, _ := range x."+APPLES+" {")
fmt.Fprintln(w, " if x."+APPLES+"[i]."+VARNAME+" == s {")
fmt.Fprintln(w, " x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
fmt.Fprintln(w, " x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
fmt.Fprintln(w, " return true")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " return false")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
return funcdef
}
// this tries to return the deleted one but is wrong/gives warning if mutex lock is in struct
func (msg *MsgName) deleteByWithCopy(w io.Writer, FRUIT, APPLES, APPLE, COLOR, FUNCNAME, VARNAME string) string {
LOCK := msg.getLockname("x")
funcdef := "func (x *" + FRUIT + ") " + FUNCNAME + "(s string) *" + APPLE
fmt.Fprintln(w, "// TESTING fails with 'go vet' warning")
fmt.Fprintln(w, funcdef, "{")
fmt.Fprintln(w, " "+LOCK+".Lock()")
fmt.Fprintln(w, " defer "+LOCK+".Unlock()")
fmt.Fprintln(w, "")
fmt.Fprintln(w, " var newr "+APPLE)
fmt.Fprintln(w, "")
fmt.Fprintln(w, " for i, _ := range x."+APPLES+" {")
fmt.Fprintln(w, " if x."+APPLES+"[i]."+VARNAME+" == s {")
fmt.Fprintln(w, " newr = *x."+APPLES+"[i]")
fmt.Fprintln(w, " x."+APPLES+"[i] = x."+APPLES+"[len(x."+APPLES+")-1]")
fmt.Fprintln(w, " x."+APPLES+" = x."+APPLES+"[:len(x."+APPLES+")-1]")
fmt.Fprintln(w, " return &newr")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " }")
fmt.Fprintln(w, " return nil")
fmt.Fprintln(w, "}")
fmt.Fprintln(w, "")
return funcdef
}
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