Declare <T> on the 6 generic fns that used an undeclared type parameter (native broker 1C)

dag/extdeps/docker/container_inspect.dag

@@ -953,15 +953,15 @@ fn docker_inspect_nested_network_settings(obj: JsonValue) -> NestedObjectRead<Ne
 // ONE FOLD, NOT THREE INSTANTIATIONS OF IT. A first cut carried a byte-identical copy per nested
 // type because the field access at ONE call site could not infer `T` -- and the answer to that is
 // to name the type at that site, not to mint three declarations of one concept in a shared decoder.
-fn nested_value(r: NestedObjectRead<T>) -> T? {
+fn nested_value<T>(r: NestedObjectRead<T>) -> T? {
   match r {
     NestedAbsent => none
     NestedMalformed { causes: _ } => none
     NestedRead { value: v } => Present { value: v }
   }
 }
 
-fn nested_causes(r: NestedObjectRead<T>) -> List<String> {
+fn nested_causes<T>(r: NestedObjectRead<T>) -> List<String> {
   match r {
     NestedAbsent => []
     NestedMalformed { causes: cs } => cs

dag/extdeps/languages/json/parse.dag

@@ -635,7 +635,7 @@ fn json_field_string_list(obj: JsonValue, key: String) -> JsonFieldRead<List<Str
 // matches would report the first and hide the rest, which turns one decode into four round trips
 // against a live daemon -- and against a CAPTURE, which cannot be re-run at all, it would hide
 // findings permanently.
-fn json_field_value(r: JsonFieldRead<T>) -> T? {
+fn json_field_value<T>(r: JsonFieldRead<T>) -> T? {
   match r {
     FieldAbsent => none
     FieldMalformed { cause: _ } => none
@@ -644,7 +644,7 @@ fn json_field_value(r: JsonFieldRead<T>) -> T? {
 }
 
 
-fn json_field_cause(r: JsonFieldRead<T>) -> String? {
+fn json_field_cause<T>(r: JsonFieldRead<T>) -> String? {
   match r {
     FieldAbsent => none
     FieldMalformed { cause: c } => Present { value: c }

dag/gunbc/machine_intake/mtcollins1_boot_diagnostic_bundle.dag

@@ -1313,7 +1313,7 @@ fn sel_channel(channel: NonEmptyStr, s: SelSnapshotReading) -> BmcChannelRead {
   } }
 }
 
-fn members_channel(channel: NonEmptyStr, m: MembersReading<T>) -> BmcChannelRead {
+fn members_channel<T>(channel: NonEmptyStr, m: MembersReading<T>) -> BmcChannelRead {
   BmcChannelRead { channel: channel, standing: match m {
     MembersRead { members: _ } => BmcChannelAnswered
     MembersUnread { cause: c } => BmcChannelFailed { cause: c }

dag/gunbc/machine_intake/mtjade1_access_observation.dag

@@ -115,7 +115,7 @@ fn field_unread(field: NonEmptyStr, cause: String) -> RecordedManagerDecode {
   RecordedManagerRefused { gap: CaptureFieldUnread { field: field, cause: cause } }
 }
 
-fn read_cause(r: JsonFieldRead<T>) -> String {
+fn read_cause<T>(r: JsonFieldRead<T>) -> String {
   match r {
     FieldAbsent => "absent"
     FieldMalformed { cause: c } => c