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@@ -33,6 +33,15 @@ func contains(s []string, e string) bool {
return false return false
} }
func exists(m map[string]interface{}, item string) bool {
// FIXME: try to use this for all cases
if _, ok := m[item]; ok {
return true
}
return false
}
func const2num(name string) float64 { func const2num(name string) float64 {
switch name { switch name {
case "Pi": case "Pi":