FastExpressionCompiler 2.0.0-preview-03

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.
108
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.
109
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.
110
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.
117
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.
119
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.
121
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.
122
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.
123
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.
124
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.
127
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.
130
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.
184
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.
202
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.
267
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.
476
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.
565

v2.0.0 Developed with a help of @jogibear9988, @dzmitry-lahoda, @MaceWindu, and other contributors - kudos to all of them! - removed: `ExpressionInfo` was moved into separate package `FastExpressionCompiler.LigthExpression` with all the functionality of the FEC. The `ExpressionInfo` itself was renamed to `Expression` for more simple drop-in replacement. - added: #59 Support compiling delegates with ref and out parameters - added: #78 Lambda<Func<int>>(Block(Label(Label(typeof(int)), Constant(7)))) is not supported - added: #88 Lambda<Func<IntPtr>>(Block(Constant(IntPtr.Zero))) - added: #91 Support for MultiplyAssign, AddAsiggn, DivideAssign - added: #98 % and bit operators are not supported - added: #101 Some Assign Modes are not yet supported - added: #102 Label and Goto Expression not yet implemented - added: #105 Bit Expression Types are not yet supported - added: #106 ExpressionType.Power not supported - added: #107 Check if xxxAssigns also work with Variables - added: #118 Support for Expression.Variable (in a Expression.Block) - added: #127 Switch is not supported - added: #130 Net Framework Expression compiler generates perfromanter Code for isNull check - added: #138 Optimize Compilation of nested Lambdas - fixed: #83 Issues with linq2db tests - fixed: #92 Expression not compilable - fixed: #93 Comparison to "null" does not work when not Typed - fixed: #95 Ref support not yet working completely - fixed: #124 LightExpression wrong Type - fixed: #131 Linq2db - Test for JIT compiler internal limitation - fixed: #137 Problem with Reading & Writing of Struct Fields. - fixed: #146 Boolean parameter value changed from false to true - fixed: #147 'Common Language Runtime detected an invalid program' with int.TryParse - fixed: #151 'Attempt to read protected memory' - fixed: #152 int.MinValue access throws 'Method not supported' - fixed: #154 Equals Expression does not call "Equals" of class (in MS Code) - fixed: #156 Invoking an Action constant fails with 'Common Language Runtime detected an invalid program' - fixed: #159 Condition with converted numeric comparisons gives unexpected result - fixed: #162 Float - short numeric comparisons with conversions gives unexpected result - fixed: #163 Add of Nullable Int, etc does not work correctly - fixed: #165 Int and Decimal to Double conversion issues - fixed: #170 Problems with ref parameters - fixed: #172 Using FEC to compile a property setter with an enum value sets the property to random values

.NET Framework 4.5

  • No dependencies.

.NET Standard 1.3

.NET Standard 2.0

Version Downloads Last updated
5.3.0 96 06/12/2025
5.2.0 89 05/15/2025
5.2.0-preview-02 99 04/28/2025
5.2.0-preview-01 79 04/28/2025
5.1.1 99 04/04/2025
5.1.0 84 04/01/2025
5.0.3 78 03/30/2025
5.0.2 265 02/11/2025
5.0.1 88 12/25/2024
5.0.0 91 11/28/2024
4.2.2 113 10/19/2024
4.2.1 117 07/23/2024
4.2.0 133 07/23/2024
4.1.0 135 07/23/2024
4.0.2 145 07/23/2024
4.0.1 209 02/05/2024
4.0.0 104 07/23/2024
3.4.0-preview-01 101 07/23/2024
3.3.4 115 07/23/2024
3.3.3 158 02/04/2024
3.3.2 107 07/23/2024
3.3.1 116 07/23/2024
3.3.0 117 07/23/2024
3.2.2 115 07/23/2024
3.2.1 111 05/29/2024
3.2.0 122 07/23/2024
3.1.0 124 07/23/2024
3.1.0-preview-03 112 07/23/2024
3.1.0-preview-02 123 07/23/2024
3.1.0-preview-01 113 07/23/2024
3.0.6-preview-01 107 07/23/2024
3.0.5 115 07/23/2024
3.0.4 108 07/23/2024
3.0.3 112 07/23/2024
3.0.2 116 07/23/2024
3.0.1 122 07/23/2024
3.0.0 112 07/23/2024
3.0.0-preview-07 110 07/20/2024
3.0.0-preview-06 108 07/23/2024
3.0.0-preview-05 115 07/23/2024
3.0.0-preview-04 104 07/23/2024
3.0.0-preview-03 107 07/23/2024
3.0.0-preview-02 112 07/23/2024
3.0.0-preview-01 108 07/23/2024
2.0.0 118 07/23/2024
2.0.0-preview-03 100 07/23/2024
2.0.0-preview-02 112 07/23/2024
2.0.0-preview-01 113 07/21/2024
1.10.1 99 07/23/2024
1.10.0 104 07/23/2024
1.9.0 115 07/23/2024
1.8.0 112 07/23/2024
1.7.2 108 07/23/2024
1.7.1 112 07/23/2024
1.7.0 107 07/23/2024
1.6.0 101 07/23/2024
1.5.0 107 07/23/2024
1.4.0 116 07/23/2024
1.3.0 99 07/23/2024
1.2.2 125 07/23/2024
1.2.1 124 07/23/2024
1.2.0 106 07/23/2024
1.1.1 111 07/23/2024
1.1.0 112 07/23/2024
1.0.1 103 07/23/2024
1.0.0 116 07/23/2024
1.0.0-preview-04 116 07/23/2024
1.0.0-preview-03 117 07/23/2024
1.0.0-preview-02 110 07/23/2024
1.0.0-preview-01 113 07/23/2024