{{var "v"}} := *{{ .Varname }}
{{var "l"}} := r.ReadMapStart()
if {{var "v"}} == nil {
	if {{var "l"}} > 0 {
		{{var "v"}} = make(map[{{ .KTyp }}]{{ .Typ }}, {{var "l"}})
	} else {
		{{var "v"}} = make(map[{{ .KTyp }}]{{ .Typ }}) // supports indefinite-length, etc
	}
	*{{ .Varname }} = {{var "v"}}
}
if {{var "l"}} > 0  {
for {{var "j"}} := 0; {{var "j"}} < {{var "l"}}; {{var "j"}}++ {
	var {{var "mk"}} {{ .KTyp }} 
	{{ $x := printf "%vmk%v" .TempVar .Rand }}{{ decLineVarK $x }}
{{ if eq .KTyp "interface{}" }}// special case if a byte array.
	if {{var "bv"}}, {{var "bok"}} := {{var "mk"}}.([]byte); {{var "bok"}} {
		{{var "mk"}} = string({{var "bv"}})
	}
{{ end }}
	{{var "mv"}} := {{var "v"}}[{{var "mk"}}]
	{{ $x := printf "%vmv%v" .TempVar .Rand }}{{ decLineVar $x }}
	if {{var "v"}} != nil {
		{{var "v"}}[{{var "mk"}}] = {{var "mv"}}
	}
}
} else if {{var "l"}} < 0  {
for {{var "j"}} := 0; !r.CheckBreak(); {{var "j"}}++ {
	if {{var "j"}} > 0 {
		r.ReadMapEntrySeparator()
	}
	var {{var "mk"}} {{ .KTyp }} 
	{{ $x := printf "%vmk%v" .TempVar .Rand }}{{ decLineVarK $x }}
{{ if eq .KTyp "interface{}" }}// special case if a byte array.
	if {{var "bv"}}, {{var "bok"}} := {{var "mk"}}.([]byte); {{var "bok"}} {
		{{var "mk"}} = string({{var "bv"}})
	}
{{ end }}
	r.ReadMapKVSeparator()
	{{var "mv"}} := {{var "v"}}[{{var "mk"}}]
	{{ $x := printf "%vmv%v" .TempVar .Rand }}{{ decLineVar $x }}
	if {{var "v"}} != nil {
		{{var "v"}}[{{var "mk"}}] = {{var "mv"}}
	}
}
r.ReadMapEnd()
} // else len==0: TODO: Should we clear map entries?