always display crash backtrace

veilid-flutter/lib/value_subkey_range.dart

@@ -1,17 +1,14 @@
 import 'dart:math';
 
+import 'package:equatable/equatable.dart';
 import 'package:freezed_annotation/freezed_annotation.dart';
 
-part 'value_subkey_range.freezed.dart';
+@immutable
-part 'value_subkey_range.g.dart';
+class ValueSubkeyRange extends Equatable {
-
+  const ValueSubkeyRange({
-@freezed
+    required this.low,
-class ValueSubkeyRange with _$ValueSubkeyRange {
+    required this.high,
-  @Assert('low >= 0 && low <= high', 'range is invalid')
+  }) : assert(low >= 0 && low <= high, 'range is invalid');
-  const factory ValueSubkeyRange({
-    required int low,
-    required int high,
-  }) = _ValueSubkeyRange;
 
   factory ValueSubkeyRange.single(int val) =>
       ValueSubkeyRange(low: val, high: val);
@@ -19,9 +16,20 @@ class ValueSubkeyRange with _$ValueSubkeyRange {
       ValueSubkeyRange(low: low, high: high);
   factory ValueSubkeyRange.fromIntPair((int, int) pair) =>
       ValueSubkeyRange(low: pair.$1, high: pair.$2);
-
+  factory ValueSubkeyRange.fromIntList(List<int> intlist) {
+    assert(intlist.length == 2, 'range must be a two item list');
+    return ValueSubkeyRange(low: intlist[0], high: intlist[1]);
+  }
   factory ValueSubkeyRange.fromJson(dynamic json) =>
-      _$ValueSubkeyRangeFromJson(json as Map<String, dynamic>);
+      ValueSubkeyRange.fromIntList(json as List<int>);
+
+  List<int> toJson() => <int>[low, high];
+
+  @override
+  List<Object> get props => [low, high];
+
+  final int low;
+  final int high;
 }
 
 extension ValueSubkeyRangeExt on ValueSubkeyRange {

veilid-flutter/lib/value_subkey_range.freezed.dart

@@ -1,169 +0,0 @@
-// coverage:ignore-file
-// GENERATED CODE - DO NOT MODIFY BY HAND
-// ignore_for_file: type=lint
-// ignore_for_file: unused_element, deprecated_member_use, deprecated_member_use_from_same_package, use_function_type_syntax_for_parameters, unnecessary_const, avoid_init_to_null, invalid_override_different_default_values_named, prefer_expression_function_bodies, annotate_overrides, invalid_annotation_target, unnecessary_question_mark
-
-part of 'value_subkey_range.dart';
-
-// **************************************************************************
-// FreezedGenerator
-// **************************************************************************
-
-T _$identity<T>(T value) => value;
-
-final _privateConstructorUsedError = UnsupportedError(
-    'It seems like you constructed your class using `MyClass._()`. This constructor is only meant to be used by freezed and you are not supposed to need it nor use it.\nPlease check the documentation here for more information: https://github.com/rrousselGit/freezed#custom-getters-and-methods');
-
-ValueSubkeyRange _$ValueSubkeyRangeFromJson(Map<String, dynamic> json) {
-  return _ValueSubkeyRange.fromJson(json);
-}
-
-/// @nodoc
-mixin _$ValueSubkeyRange {
-  int get low => throw _privateConstructorUsedError;
-  int get high => throw _privateConstructorUsedError;
-
-  Map<String, dynamic> toJson() => throw _privateConstructorUsedError;
-  @JsonKey(ignore: true)
-  $ValueSubkeyRangeCopyWith<ValueSubkeyRange> get copyWith =>
-      throw _privateConstructorUsedError;
-}
-
-/// @nodoc
-abstract class $ValueSubkeyRangeCopyWith<$Res> {
-  factory $ValueSubkeyRangeCopyWith(
-          ValueSubkeyRange value, $Res Function(ValueSubkeyRange) then) =
-      _$ValueSubkeyRangeCopyWithImpl<$Res, ValueSubkeyRange>;
-  @useResult
-  $Res call({int low, int high});
-}
-
-/// @nodoc
-class _$ValueSubkeyRangeCopyWithImpl<$Res, $Val extends ValueSubkeyRange>
-    implements $ValueSubkeyRangeCopyWith<$Res> {
-  _$ValueSubkeyRangeCopyWithImpl(this._value, this._then);
-
-  // ignore: unused_field
-  final $Val _value;
-  // ignore: unused_field
-  final $Res Function($Val) _then;
-
-  @pragma('vm:prefer-inline')
-  @override
-  $Res call({
-    Object? low = null,
-    Object? high = null,
-  }) {
-    return _then(_value.copyWith(
-      low: null == low
-          ? _value.low
-          : low // ignore: cast_nullable_to_non_nullable
-              as int,
-      high: null == high
-          ? _value.high
-          : high // ignore: cast_nullable_to_non_nullable
-              as int,
-    ) as $Val);
-  }
-}
-
-/// @nodoc
-abstract class _$$_ValueSubkeyRangeCopyWith<$Res>
-    implements $ValueSubkeyRangeCopyWith<$Res> {
-  factory _$$_ValueSubkeyRangeCopyWith(
-          _$_ValueSubkeyRange value, $Res Function(_$_ValueSubkeyRange) then) =
-      __$$_ValueSubkeyRangeCopyWithImpl<$Res>;
-  @override
-  @useResult
-  $Res call({int low, int high});
-}
-
-/// @nodoc
-class __$$_ValueSubkeyRangeCopyWithImpl<$Res>
-    extends _$ValueSubkeyRangeCopyWithImpl<$Res, _$_ValueSubkeyRange>
-    implements _$$_ValueSubkeyRangeCopyWith<$Res> {
-  __$$_ValueSubkeyRangeCopyWithImpl(
-      _$_ValueSubkeyRange _value, $Res Function(_$_ValueSubkeyRange) _then)
-      : super(_value, _then);
-
-  @pragma('vm:prefer-inline')
-  @override
-  $Res call({
-    Object? low = null,
-    Object? high = null,
-  }) {
-    return _then(_$_ValueSubkeyRange(
-      low: null == low
-          ? _value.low
-          : low // ignore: cast_nullable_to_non_nullable
-              as int,
-      high: null == high
-          ? _value.high
-          : high // ignore: cast_nullable_to_non_nullable
-              as int,
-    ));
-  }
-}
-
-/// @nodoc
-@JsonSerializable()
-class _$_ValueSubkeyRange implements _ValueSubkeyRange {
-  const _$_ValueSubkeyRange({required this.low, required this.high})
-      : assert(low >= 0 && low <= high, 'range is invalid');
-
-  factory _$_ValueSubkeyRange.fromJson(Map<String, dynamic> json) =>
-      _$$_ValueSubkeyRangeFromJson(json);
-
-  @override
-  final int low;
-  @override
-  final int high;
-
-  @override
-  String toString() {
-    return 'ValueSubkeyRange(low: $low, high: $high)';
-  }
-
-  @override
-  bool operator ==(dynamic other) {
-    return identical(this, other) ||
-        (other.runtimeType == runtimeType &&
-            other is _$_ValueSubkeyRange &&
-            (identical(other.low, low) || other.low == low) &&
-            (identical(other.high, high) || other.high == high));
-  }
-
-  @JsonKey(ignore: true)
-  @override
-  int get hashCode => Object.hash(runtimeType, low, high);
-
-  @JsonKey(ignore: true)
-  @override
-  @pragma('vm:prefer-inline')
-  _$$_ValueSubkeyRangeCopyWith<_$_ValueSubkeyRange> get copyWith =>
-      __$$_ValueSubkeyRangeCopyWithImpl<_$_ValueSubkeyRange>(this, _$identity);
-
-  @override
-  Map<String, dynamic> toJson() {
-    return _$$_ValueSubkeyRangeToJson(
-      this,
-    );
-  }
-}
-
-abstract class _ValueSubkeyRange implements ValueSubkeyRange {
-  const factory _ValueSubkeyRange(
-      {required final int low, required final int high}) = _$_ValueSubkeyRange;
-
-  factory _ValueSubkeyRange.fromJson(Map<String, dynamic> json) =
-      _$_ValueSubkeyRange.fromJson;
-
-  @override
-  int get low;
-  @override
-  int get high;
-  @override
-  @JsonKey(ignore: true)
-  _$$_ValueSubkeyRangeCopyWith<_$_ValueSubkeyRange> get copyWith =>
-      throw _privateConstructorUsedError;
-}

veilid-flutter/lib/value_subkey_range.g.dart

@@ -1,19 +0,0 @@
-// GENERATED CODE - DO NOT MODIFY BY HAND
-
-part of 'value_subkey_range.dart';
-
-// **************************************************************************
-// JsonSerializableGenerator
-// **************************************************************************
-
-_$_ValueSubkeyRange _$$_ValueSubkeyRangeFromJson(Map<String, dynamic> json) =>
-    _$_ValueSubkeyRange(
-      low: json['low'] as int,
-      high: json['high'] as int,
-    );
-
-Map<String, dynamic> _$$_ValueSubkeyRangeToJson(_$_ValueSubkeyRange instance) =>
-    <String, dynamic>{
-      'low': instance.low,
-      'high': instance.high,
-    };

veilid-flutter/rust/src/dart_ffi.rs

@@ -153,23 +153,23 @@ pub extern "C" fn initialize_veilid_flutter(dart_post_c_object_ptr: ffi::DartPos
             } else {
                 ("<unknown>", 0)
             };
-            error!("### Rust `panic!` hit at file '{}', line {}", file, line);
+            eprintln!("### Rust `panic!` hit at file '{}', line {}", file, line);
             if let Some(s) = panic_info.payload().downcast_ref::<&str>() {
-                error!("panic payload: {:?}", s);
+                eprintln!("panic payload: {:?}", s);
             } else if let Some(s) = panic_info.payload().downcast_ref::<String>() {
-                error!("panic payload: {:?}", s);
+                eprintln!("panic payload: {:?}", s);
             } else if let Some(a) = panic_info.payload().downcast_ref::<std::fmt::Arguments>() {
-                error!("panic payload: {:?}", a);
+                eprintln!("panic payload: {:?}", a);
             } else {
-                error!("no panic payload");
+                eprintln!("no panic payload");
             }
-            error!(
+            eprintln!(
                 "  Complete stack trace:\n{:?}\n",
                 backtrace::Backtrace::new()
             );
 
             // And stop the process, no recovery is going to be possible here
-            error!("aborting!");
+            eprintln!("aborting!");
             std::process::abort();
         }));
     });