cowyo/vendor/github.com/ugorji/go/codec/gen-dec-array.go.tmpl

{{var "v"}} := {{if not isArray}}*{{end}}{{ .Varname }}
{{var "h"}}, {{var "l"}} := z.DecSliceHelperStart() {{/* // helper, containerLenS */}}{{if not isArray}}
var {{var "c"}} bool {{/* // changed */}}
_ = {{var "c"}}{{end}}
if {{var "l"}} == 0 {
	{{if isSlice }}if {{var "v"}} == nil {
		{{var "v"}} = []{{ .Typ }}{}
		{{var "c"}} = true
	} else if len({{var "v"}}) != 0 {
		{{var "v"}} = {{var "v"}}[:0]
		{{var "c"}} = true
	} {{end}} {{if isChan }}if {{var "v"}} == nil {
		{{var "v"}} = make({{ .CTyp }}, 0)
		{{var "c"}} = true
	} {{end}}
} else {
	{{var "hl"}} := {{var "l"}} > 0
	var {{var "rl"}} int 
	{{if isSlice }} if {{var "hl"}} {
	if {{var "l"}} > cap({{var "v"}}) {
		{{var "rl"}} = z.DecInferLen({{var "l"}}, z.DecBasicHandle().MaxInitLen, {{ .Size }})
		if {{var "rl"}} <= cap({{var "v"}}) {
			{{var "v"}} = {{var "v"}}[:{{var "rl"}}]
		} else {
			{{var "v"}} = make([]{{ .Typ }}, {{var "rl"}})
		}
		{{var "c"}} = true
	} else if {{var "l"}} != len({{var "v"}}) {
		{{var "v"}} = {{var "v"}}[:{{var "l"}}]
		{{var "c"}} = true
	}
	} {{end}}
	{{var "j"}} := 0
	for ; ({{var "hl"}} && {{var "j"}} < {{var "l"}}) || !({{var "hl"}} || r.CheckBreak()); {{var "j"}}++ {
		if {{var "j"}} == 0 && len({{var "v"}}) == 0 {
			if {{var "hl"}} {
				{{var "rl"}} = z.DecInferLen({{var "l"}}, z.DecBasicHandle().MaxInitLen, {{ .Size }})
			} else {
				{{var "rl"}} = 8
			}
			{{var "v"}} = make([]{{ .Typ }}, {{var "rl"}})
			{{var "c"}} = true 
		}
		// if indefinite, etc, then expand the slice if necessary
		var {{var "db"}} bool
		if {{var "j"}} >= len({{var "v"}}) {
			{{if isSlice }} {{var "v"}} = append({{var "v"}}, {{ zero }}); {{var "c"}} = true
			{{end}} {{if isArray}} z.DecArrayCannotExpand(len(v), {{var "j"}}+1); {{var "db"}} = true
			{{end}}
		}
		{{var "h"}}.ElemContainerState({{var "j"}})
		if {{var "db"}} {
			z.DecSwallow()
		} else {
			{{ $x := printf "%[1]vv%[2]v[%[1]vj%[2]v]" .TempVar .Rand }}{{ decLineVar $x }}
		}
	}
	{{if isSlice}} if {{var "j"}} < len({{var "v"}}) {
		{{var "v"}} = {{var "v"}}[:{{var "j"}}]
		{{var "c"}} = true
	} else if {{var "j"}} == 0 && {{var "v"}} == nil {
		{{var "v"}} = make([]{{ .Typ }}, 0)
		{{var "c"}} = true
	} {{end}}
}
{{var "h"}}.End()
{{if not isArray }}if {{var "c"}} { 
	*{{ .Varname }} = {{var "v"}}
}{{end}}