Member Path Utility

路径式对象成员访问工具，支持读写操作。

Path-based object member access tool, supporting read and write operations.

API

Path Extensions

Get value

• PathGet<TItem, TValue>

• PathGet<object, TValue>

• PathGet<object, object>

Get nullable value

• PathGetOrDefault<TItem, TValue?>

• PathGetOrDefault<object, TValue?>

• PathGetOrDefault<object, object?>

Set value

• PathSet<TItem, TValue>

• PathSet<object, TValue>

• PathSet<object, object>

Path Helper

Get value

• GetDelegate

• GetDelegate<TItem, TValue>

• GetDelegate<object, TValue>

• GetDelegate<object, object>

• GetLambda

• GetLambda<TItem, TValue>

• GetLambda<object, TValue>

• GetLambda<object, object>

• GetExpression

Get value or default

• GetDelegateDefault<TItem, TValue?>

• GetDelegateDefault<object, TValue?>

• GetDelegateDefault<object, object?>

• GetLambdaDefault<TItem, TValue?>

• GetLambdaDefault<object, TValue?>

• GetLambdaDefault<object, object?>

Set value

• SetDelegate

• SetDelegate<TItem, TValue>

• SetDelegate<object, TValue>

• SetDelegate<object, object>

• SetLambda

• SetLambda<TItem, TValue>

• SetLambda<object, TValue>

• SetLambda<object, object>

• SetExpression

Performance

Get value

BenchmarkDotNet=v0.12.1, OS=Windows 10.0.18363.1440 (1909/November2018Update/19H2)
Intel Core i7-4790K CPU 4.00GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
.NET Core SDK=5.0.201
  [Host]     : .NET Core 5.0.4 (CoreCLR 5.0.421.11614, CoreFX 5.0.421.11614), X64 RyuJIT
  DefaultJob : .NET Core 5.0.4 (CoreCLR 5.0.421.11614, CoreFX 5.0.421.11614), X64 RyuJIT

Method	N	Mean	Error	StdDev	Ratio	RatioSD	Gen 0	Gen 1	Gen 2	Allocated
Normal	10000000	120.0 ms	0.94 ms	0.83 ms	1.00	0.00	-	-	-	267 B
PathGetTV	10000000	745.9 ms	14.02 ms	19.19 ms	6.28	0.19	-	-	-	-
PathGetOV	10000000	758.6 ms	14.84 ms	14.58 ms	6.34	0.11	-	-	-	1344 B
PathGetOO	10000000	722.1 ms	6.45 ms	6.03 ms	6.02	0.05	-	-	-	1344 B
PathGetTVCached	10000000	128.1 ms	1.59 ms	1.48 ms	1.07	0.01	-	-	-	-
PathGetOVCached	10000000	131.3 ms	1.85 ms	1.73 ms	1.10	0.01	-	-	-	260 B
PathGetOOCached	10000000	132.2 ms	0.90 ms	0.80 ms	1.10	0.01	-	-	-	-

Get value or default

BenchmarkDotNet=v0.12.1, OS=Windows 10.0.18363.1440 (1909/November2018Update/19H2)
Intel Core i7-4790K CPU 4.00GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
.NET Core SDK=5.0.201
  [Host]     : .NET Core 5.0.4 (CoreCLR 5.0.421.11614, CoreFX 5.0.421.11614), X64 RyuJIT
  DefaultJob : .NET Core 5.0.4 (CoreCLR 5.0.421.11614, CoreFX 5.0.421.11614), X64 RyuJIT

Method	N	Mean	Error	StdDev	Ratio	RatioSD	Gen 0	Gen 1	Gen 2	Allocated
Normal	10000000	38.67 ms	0.731 ms	1.116 ms	1.00	0.00	-	-	-	-
PathGetOrDefaultTV	10000000	610.19 ms	3.800 ms	3.369 ms	15.67	0.42	-	-	-	-
PathGetOrDefaultOV	10000000	647.96 ms	7.410 ms	6.568 ms	16.65	0.53	-	-	-	-
PathGetOrDefaultOO	10000000	634.03 ms	8.877 ms	8.303 ms	16.25	0.46	-	-	-	-
PathGetOrDefaultTVCached	10000000	45.71 ms	0.395 ms	0.370 ms	1.17	0.03	-	-	-	822 B
PathGetOrDefaultOVCached	10000000	65.84 ms	0.517 ms	0.432 ms	1.70	0.04	-	-	-	78 B
PathGetOrDefaultOOCached	10000000	67.15 ms	1.318 ms	1.760 ms	1.73	0.06	-	-	-	-

Set value

BenchmarkDotNet=v0.12.1, OS=Windows 10.0.18363.1440 (1909/November2018Update/19H2)
Intel Core i7-4790K CPU 4.00GHz (Haswell), 1 CPU, 8 logical and 4 physical cores
.NET Core SDK=5.0.201
  [Host]     : .NET Core 5.0.4 (CoreCLR 5.0.421.11614, CoreFX 5.0.421.11614), X64 RyuJIT
  DefaultJob : .NET Core 5.0.4 (CoreCLR 5.0.421.11614, CoreFX 5.0.421.11614), X64 RyuJIT

Method	N	Mean	Error	StdDev	Ratio	RatioSD	Gen 0	Gen 1	Gen 2	Allocated
Normal	10000000	15.18 ms	0.051 ms	0.045 ms	1.00	0.00	-	-	-	96 B
PathSetTV	10000000	512.88 ms	10.139 ms	13.879 ms	33.97	1.04	-	-	-	96 B
PathSetOV	10000000	499.74 ms	4.543 ms	4.249 ms	32.91	0.27	-	-	-	96 B
PathSetOO	10000000	479.01 ms	3.574 ms	3.344 ms	31.58	0.23	-	-	-	96 B
PathSetTVCached	10000000	27.69 ms	0.096 ms	0.085 ms	1.82	0.01	-	-	-	96 B
PathSetOVCached	10000000	27.99 ms	0.287 ms	0.268 ms	1.84	0.02	-	-	-	96 B
PathSetOOCached	10000000	32.96 ms	0.267 ms	0.223 ms	2.17	0.02	-	-	-	96 B