Using the FastExpressionCompiler.LightExpression to build and compile the expressions

[dadhi]

• Currently using FEC.LE v3.0.0-preview-02
• All tests are passing

The benchmark results for the String Dictionary expression:

BenchmarkDotNet=v0.12.1, OS=Windows 10.0.19041.572 (2004/?/20H1)
Intel Core i7-8565U CPU 1.80GHz (Whiskey Lake), 1 CPU, 8 logical and 4 physical cores
.NET Core SDK=3.1.403
  [Host]     : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT
  DefaultJob : .NET Core 3.1.9 (CoreCLR 4.700.20.47201, CoreFX 4.700.20.47203), X64 RyuJIT


|      Method |      Mean |    Error |   StdDev | Ratio | RatioSD |  Gen 0 |  Gen 1 |  Gen 2 | Allocated |
|------------ |----------:|---------:|---------:|------:|--------:|-------:|-------:|-------:|----------:|
|  CompileSys | 464.62 us | 4.434 us | 4.147 us | 13.14 |    0.16 | 7.3242 | 3.4180 |      - |   29.9 KB |
| CompileFast |  35.38 us | 0.531 us | 0.470 us |  1.00 |    0.00 | 1.8311 | 0.9155 | 0.0610 |   7.66 KB |

[dbolin]

Thanks, I'll take a look.

[dadhi]

@dbolin FEC v3 is out. I will resolve the conflicts and update the PR.

[dadhi]

@dbolin updated. solved.