amend metrics examples

Signed-off-by: inge4pres <[email protected]>

examples/metrics/basic.zig

@@ -18,8 +18,7 @@ pub fn main() !void {
     var in_mem = try sdk.InMemoryExporter.init(fba.allocator());
 
     // Create an exporter and a a metric reader to aggregate the metrics
-    const exporter = try sdk.MetricExporter.new(fba.allocator(), &in_mem.exporter);
-    const mr = try sdk.MetricReader.init(fba.allocator(), exporter);
+    const mr = try sdk.MetricReader.init(fba.allocator(), &in_mem.exporter);
     defer mr.shutdown();
 
     // Register the metric reader to the meter provider
@@ -40,7 +39,7 @@ pub fn main() !void {
 
     // Print the metrics
     const stored_metrics = try in_mem.fetch();
-    defer stored_metrics.deinit();
+    defer fba.allocator().free(stored_metrics);
 
     std.debug.print("metric: {any}\n", .{stored_metrics});
 }

examples/metrics/http_server.zig

@@ -92,10 +92,7 @@ fn setupTelemetry(allocator: std.mem.Allocator) !OTel {
     var in_mem = try sdk.InMemoryExporter.init(allocator);
     errdefer in_mem.deinit();
 
-    const exporter = try sdk.MetricExporter.new(allocator, &in_mem.exporter);
-    errdefer exporter.shutdown();
-
-    const mr = try sdk.MetricReader.init(allocator, exporter);
+    const mr = try sdk.MetricReader.init(allocator, &in_mem.exporter);
 
     try mp.addReader(mr);
 

src/sdk.zig

@@ -12,7 +12,7 @@ test {
 pub const MeterProvider = @import("api/metrics/meter.zig").MeterProvider;
 pub const MetricReader = @import("sdk/metrics/reader.zig").MetricReader;
 pub const MetricExporter = @import("sdk/metrics/exporter.zig").MetricExporter;
-pub const InMemoryExporter = @import("sdk/metrics/exporter.zig").ImMemoryExporter;
+pub const InMemoryExporter = @import("sdk/metrics/exporter.zig").InMemoryExporter;
 
 pub const Counter = @import("api/metrics/instrument.zig").Counter;
 pub const UpDownCounter = @import("api/metrics/instrument.zig").Counter;