FastExpressionCompiler 3.3.4

FastExpressionCompiler is 10-40x times faster than Expression.Compile()

Showing the top 20 packages that depend on FastExpressionCompiler.

Packages Downloads
RulesEngine
Rules Engine is a package for abstracting business logic/rules/policies out of the system. This works in a very simple way by giving you an ability to put your rules in a store outside the core logic of the system thus ensuring that any change in rules doesn't affect the core system.
14
RulesEngine
Rules Engine is a package for abstracting business logic/rules/policies out of the system. This works in a very simple way by giving you an ability to put your rules in a store outside the core logic of the system thus ensuring that any change in rules doesn't affect the core system.
13

## v3.3.4 Bug-fix release - fixed: #345 EmitCall is for the varargs method and should not be used for normal convention - fixed: #347 InvalidProgramException on compiling an expression that returns a record which implements IList - fixed: #349 Error when loading struct parameters closed by the nested lambda e.g. predicate in Linq - fixed: #355 Error with converting to/from signed/unsigned integers (Thanks to @TYoungSL for the PR!) - fixed: the C# output for if-else test condition, and inc/dec operations; and for label at the end of the lambda - fixed: ref assignment C# output - perf: Replace ILGenerator.Emit(OpCodes.Call, ..) with EmitMethodCall performance ## v3.3.3 Bug-fix release - fixed: #336 Method TryCompileBoundToFirstClosureParam is returning passed Type array to pool may cause undefined behavior - fixed: #337 Switch LightExpression.Expression.ToString from System.Expression.ToString pseudo-code to ToCSharpString - fixed: #338 InvocationExpression is not properly converted to System Expression via ToExpression for non-lambda expression - fixed: #341 Equality comparison between nullable and null inside Any produces incorrect compiled expression ## v3.3.2 Bug-fix release - fixed: #335 FastExpressionCompiler.LightExpressions - MemberInit has recursive calls ## v3.3.1 Optimization and bug-fix release - fixed: #333 AccessViolationException and other suspicious behaviour on invoking result of CompileFast() - optim: LightExpression.Parameter consumes less memory for the common standard types. ## v3.3.0 Feature and bug-fix release - added: #235 [GodMode] Expression to IL intrinsic - added: #325 Add LightExpression.NewNoByRefArgs overloads for performance - added: #327 Replace direct il.Emit(OpCodes.Call, ...) with EmitMethodCall - added: #329 Optimize special case compilation for New and Call with no arguments - added: #330 Optimize nested lambda ClosureInfo memory footprint - fixed: #324 The LightExpression.New of IEnumerable is recursive - fixed: #328 Fix the performance of TryEmitConvert to String

.NET Framework 4.5

.NET Standard 2.0

.NET Standard 2.1

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Version Downloads Last updated
5.3.0 9 07/07/2025
5.2.0 10 05/31/2025
5.2.0-preview-02 11 05/08/2025
5.2.0-preview-01 11 05/09/2025
5.1.1 12 04/06/2025
5.1.0 12 04/07/2025
5.0.3 12 04/07/2025
5.0.2 14 03/08/2025
5.0.1 15 03/03/2025
5.0.0 14 03/03/2025
4.2.2 13 03/03/2025
4.2.1 14 03/03/2025
4.2.0 14 03/03/2025
4.1.0 14 03/03/2025
4.0.2 15 03/03/2025
4.0.1 14 03/03/2025
4.0.0 15 03/03/2025
3.4.0-preview-01 14 03/03/2025
3.3.4 14 03/03/2025
3.3.3 14 03/03/2025
3.3.2 14 03/03/2025
3.3.1 14 03/03/2025
3.3.0 14 03/03/2025
3.2.2 13 03/03/2025
3.2.1 14 03/03/2025
3.2.0 14 03/03/2025
3.1.0 15 03/03/2025
3.1.0-preview-03 14 03/03/2025
3.1.0-preview-02 15 03/03/2025
3.1.0-preview-01 14 03/03/2025
3.0.6-preview-01 15 03/03/2025
3.0.5 13 03/03/2025
3.0.4 15 03/03/2025
3.0.3 16 03/03/2025
3.0.2 15 03/03/2025
3.0.1 15 03/03/2025
3.0.0 14 03/03/2025
3.0.0-preview-07 14 03/03/2025
3.0.0-preview-06 15 03/03/2025
3.0.0-preview-05 15 03/03/2025
3.0.0-preview-04 15 03/03/2025
3.0.0-preview-03 15 03/03/2025
3.0.0-preview-02 15 03/03/2025
3.0.0-preview-01 15 03/03/2025
2.0.0 15 03/03/2025
2.0.0-preview-03 15 03/03/2025
2.0.0-preview-02 15 03/03/2025
2.0.0-preview-01 15 03/03/2025
1.10.1 15 03/03/2025
1.10.0 15 03/03/2025
1.9.0 15 03/03/2025
1.8.0 15 03/03/2025
1.7.2 14 03/03/2025
1.7.1 13 03/03/2025
1.7.0 14 03/03/2025
1.6.0 16 03/03/2025
1.5.0 15 03/03/2025
1.4.0 15 03/03/2025
1.3.0 16 03/03/2025
1.2.2 13 03/03/2025
1.2.1 15 03/03/2025
1.2.0 15 03/03/2025
1.1.1 14 03/03/2025
1.1.0 15 03/03/2025
1.0.1 15 03/03/2025
1.0.0 14 03/03/2025
1.0.0-preview-04 14 03/03/2025
1.0.0-preview-03 14 03/03/2025
1.0.0-preview-02 14 03/03/2025
1.0.0-preview-01 14 03/03/2025