30 lines
888 B
Go
30 lines
888 B
Go
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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func (msg *MsgName) insertBy(w io.Writer, FRUIT, APPLES, APPLE string, COLOR string) {
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LOCK := msg.getLockname("x")
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fmt.Fprintln(w, "// returns an "+APPLE+" if "+COLOR+" matches, otherwise create")
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fmt.Fprintln(w, "func (x *"+FRUIT+") InsertBy"+COLOR+" (y string) *"+APPLE+" {")
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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 _, p := range x."+APPLES+" {")
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fmt.Fprintln(w, " if p."+COLOR+" == y {")
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fmt.Fprintln(w, " return p")
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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("+APPLE+")")
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fmt.Fprintln(w, " z."+COLOR+" = y")
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fmt.Fprintln(w, " x."+APPLES+" = append(x."+APPLES+", 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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}
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