zzstoatzz.io
logfire client for zig
handle optional attribute values
- toOtelValue now returns ?AttributeValue
- attrsToOtel skips null values from optionals
- enables leaflet-search patterns like .{ .uri = optional_uri }
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
+19
-7
src/otel_wrapper.zig
+19
-7
src/otel_wrapper.zig
···
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return "https://logfire-us.pydantic.dev:443";
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}
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-
fn toOtelValue(value: anytype) otel_api.common.AttributeValue {
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+
fn toOtelValue(value: anytype) ?otel_api.common.AttributeValue {
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const T = @TypeOf(value);
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return switch (@typeInfo(T)) {
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.int, .comptime_int => .{ .int = @intCast(value) },
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.float, .comptime_float => .{ .double = @floatCast(value) },
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.bool => .{ .bool = value },
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+
.optional => {
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+
// handle optional types - return null if the value is null
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+
if (value) |v| {
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+
return toOtelValue(v);
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+
}
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return null;
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+
},
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.pointer => |ptr| {
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if (ptr.size == .slice and ptr.child == u8) {
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return .{ .string = value };
···
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// note: not thread-safe, but attributes are copied by otel-zig immediately
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const Storage = struct {
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var result: [fields.len]otel_api.common.AttributeKeyValue = undefined;
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+
var count: usize = 0;
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};
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-
inline for (fields, 0..) |field, i| {
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-
Storage.result[i] = .{
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-
.key = field.name,
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-
.value = toOtelValue(@field(attrs, field.name)),
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-
};
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+
Storage.count = 0;
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+
inline for (fields) |field| {
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+
if (toOtelValue(@field(attrs, field.name))) |val| {
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+
Storage.result[Storage.count] = .{
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+
.key = field.name,
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.value = val,
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+
};
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+
Storage.count += 1;
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+
}
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}
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-
return &Storage.result;
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+
return Storage.result[0..Storage.count];
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}