Replace implicit kwargs with explicit defaults

src/Loggers/LogCustomScalar.jl

@@ -28,14 +28,12 @@ function chart(name::String, metadata::Tuple{tb_chart_type, AbstractArray})
     chart_type, tags = metadata
 
     if chart_type == tb_multiline
-        content = MultilineChartContent(tag = tags)
-        return Chart(title = name, multiline = content)
+        content = MultilineChartContent(tags)
+        return Chart(name, OneOf(:multiline, content))
     elseif chart_type == tb_margin
-        @assert length(tags) == 3
-        args = Dict(k => v for (k, v) in zip([:value, :lower, :upper], tags))
-        content = MarginChartContent(
-                    series = [MarginChartContent_Series(; args...)])
-        return Chart(title = name, margin = content)
+        @assert length(tags) == 3  # value, lower, upper
+        content = MarginChartContent([MarginChartContent_Series(tags...)])
+        return Chart(name, OneOf(:margin, content))
     else
         @error "The chart type must be `tb_multiline` or `tb_margin`"
     end
@@ -47,16 +45,29 @@ end
 
 function custom_scalar_summary(layout)
     cat_spec = zip(keys(layout), values(layout))
-    categories = [Category(title = k, chart = charts(c)) for (k, c) in cat_spec]
-
-    layout = Layout(category = categories)
-    plugin_data = SummaryMetadata_PluginData(plugin_name = "custom_scalars")
-    smd = SummaryMetadata(plugin_data = plugin_data)
-    cs_tensor = TensorProto(dtype = _DataType.DT_STRING,
-                            string_val = [serialize_proto(layout)],
-                            tensor_shape = TensorShapeProto())
-
-    Summary_Value(tag = "custom_scalars__config__",
-                  tensor = cs_tensor,
-                  metadata = smd)
+    categories = [Category(title, charts(c), false) for (title, c) in cat_spec]
+
+    layout = Layout(zero(Int32), categories)
+    plugin_data = SummaryMetadata_PluginData("custom_scalars", UInt8[])
+    smd = SummaryMetadata(plugin_data, "", "", DataClass.DATA_CLASS_UNKNOWN)
+    cs_tensor = TensorProto(_DataType.DT_STRING,
+                            nothing,
+                            zero(Int32),
+                            UInt8[],
+                            Int32[],
+                            Float32[],
+                            Float64[],
+                            Int32[],
+                            [serialize_proto(layout)],
+                            Float32[],
+                            Int64[],
+                            Bool[],
+                            Float64[],
+                            ResourceHandleProto[],
+                            VariantTensorDataProto[],
+                            UInt32[],
+                            UInt64[],
+                            UInt8[])
+
+    Summary_Value("", "custom_scalars__config__", smd, OneOf(:tensor, cs_tensor))
 end