reproduce #625

[fenollp]

cc #625

Look into

kin-openapi/openapi3filter/req_resp_decoder.go

Lines 787 to 818 in d12860c

	// parsePrimitive returns a value that is created by parsing a source string to a primitive type
	// that is specified by a schema. The function returns nil when the source string is empty.
	// The function panics when a schema has a non primitive type.
	func parsePrimitive(raw string, schema *openapi3.SchemaRef) (interface{}, error) {
	if raw == "" {
	return nil, nil
	}
	switch schema.Value.Type {
	case "integer":
	v, err := strconv.ParseFloat(raw, 64)
	if err != nil {
	return nil, &ParseError{Kind: KindInvalidFormat, Value: raw, Reason: "an invalid " + schema.Value.Type, Cause: err.(*strconv.NumError).Err}
	}
	return v, nil
	case "number":
	v, err := strconv.ParseFloat(raw, 64)
	if err != nil {
	return nil, &ParseError{Kind: KindInvalidFormat, Value: raw, Reason: "an invalid " + schema.Value.Type, Cause: err.(*strconv.NumError).Err}
	}
	return v, nil
	case "boolean":
	v, err := strconv.ParseBool(raw)
	if err != nil {
	return nil, &ParseError{Kind: KindInvalidFormat, Value: raw, Reason: "an invalid " + schema.Value.Type, Cause: err.(*strconv.NumError).Err}
	}
	return v, nil
	case "string":
	return raw, nil
	default:
	panic(fmt.Sprintf("schema has non primitive type %q", schema.Value.Type))
	}
	}

[fenollp]

Superseeded by #664