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Mapster Icon

Mapster - The Mapper of Your Domain

Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.

NuGet

Get it

PM> Install-Package Mapster

Basic usage

Mapping to a new object

Mapster creates the destination object and maps values to it.

vardestObject=sourceObject.Adapt<Destination>();

Mapping to an existing object

You create the object, Mapster maps to the object.

sourceObject.Adapt(destObject);

Queryable Extensions

Mapster also provides extensions to map queryables.

using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}

Generating models & mappers

No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.

[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}

Then Mapster will generate:

publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}

What's new

Why Mapster?

Performance & Memory efficient

Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory. And you could gain up to 12x faster performance with

MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB

Step into debugging

Step-into debugging lets you debug your mapping and inspect values just like your code. image

Code Generation

Code generation allows you to

  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties

There are currently two tools which you can choose based on your preferences.

Change logs

https://github.com/MapsterMapper/Mapster/releases

Usages

Acknowledgements

JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.

  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE

image

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Mapster Icon
Mapster - The Mapper of Your Domain
Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.
NuGet
Get it
PM> Install-Package Mapster

Basic usage
Mapping to a new object
Mapster creates the destination object and maps values to it.
vardestObject=sourceObject.Adapt<Destination>();
Mapping to an existing object
You create the object, Mapster maps to the object.
sourceObject.Adapt(destObject);
Queryable Extensions
Mapster also provides extensions to map queryables.
using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}
Generating models & mappers
No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.
[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}
Then Mapster will generate:
publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}
What's new
Why Mapster?
Performance & Memory efficient
Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory.
And you could gain up to 12x faster performance with
MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB
Step into debugging
Step-into debugging lets you debug your mapping and inspect values just like your code.
image
Code Generation
Code generation allows you to
  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties
There are currently two tools which you can choose based on your preferences.
Change logs
https://github.com/MapsterMapper/Mapster/releases
Usages
Acknowledgements
JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.
  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE
image

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Mapster Icon
Mapster - The Mapper of Your Domain
Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.
NuGet
Get it
PM> Install-Package Mapster

Basic usage
Mapping to a new object
Mapster creates the destination object and maps values to it.
vardestObject=sourceObject.Adapt<Destination>();
Mapping to an existing object
You create the object, Mapster maps to the object.
sourceObject.Adapt(destObject);
Queryable Extensions
Mapster also provides extensions to map queryables.
using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}
Generating models & mappers
No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.
[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}
Then Mapster will generate:
publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}
What's new
Why Mapster?
Performance & Memory efficient
Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory.
And you could gain up to 12x faster performance with
MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB
Step into debugging
Step-into debugging lets you debug your mapping and inspect values just like your code.
image
Code Generation
Code generation allows you to
  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties
There are currently two tools which you can choose based on your preferences.
Change logs
https://github.com/MapsterMapper/Mapster/releases
Usages
Acknowledgements
JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.
  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE
image

, 'i');
if (__m === '*' || __re.test(location.href)) {
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var __m = "*";
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Mapster Icon
Mapster - The Mapper of Your Domain
Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.
NuGet
Get it
PM> Install-Package Mapster

Basic usage
Mapping to a new object
Mapster creates the destination object and maps values to it.
vardestObject=sourceObject.Adapt<Destination>();
Mapping to an existing object
You create the object, Mapster maps to the object.
sourceObject.Adapt(destObject);
Queryable Extensions
Mapster also provides extensions to map queryables.
using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}
Generating models & mappers
No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.
[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}
Then Mapster will generate:
publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}
What's new
Why Mapster?
Performance & Memory efficient
Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory.
And you could gain up to 12x faster performance with
MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB
Step into debugging
Step-into debugging lets you debug your mapping and inspect values just like your code.
image
Code Generation
Code generation allows you to
  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties
There are currently two tools which you can choose based on your preferences.
Change logs
https://github.com/MapsterMapper/Mapster/releases
Usages
Acknowledgements
JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.
  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE
image

, 'i');
if (__m === '*' || __re.test(location.href)) {
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})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

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Mapster Icon
Mapster - The Mapper of Your Domain
Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.
NuGet
Get it
PM> Install-Package Mapster

Basic usage
Mapping to a new object
Mapster creates the destination object and maps values to it.
vardestObject=sourceObject.Adapt<Destination>();
Mapping to an existing object
You create the object, Mapster maps to the object.
sourceObject.Adapt(destObject);
Queryable Extensions
Mapster also provides extensions to map queryables.
using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}
Generating models & mappers
No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.
[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}
Then Mapster will generate:
publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}
What's new
Why Mapster?
Performance & Memory efficient
Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory.
And you could gain up to 12x faster performance with
MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB
Step into debugging
Step-into debugging lets you debug your mapping and inspect values just like your code.
image
Code Generation
Code generation allows you to
  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties
There are currently two tools which you can choose based on your preferences.
Change logs
https://github.com/MapsterMapper/Mapster/releases
Usages
Acknowledgements
JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.
  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE
image

, 'i');
if (__m === '*' || __re.test(location.href)) {
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function tryTheater() {
var btn = document.querySelector('button[aria-label="Theater mode"], ytd-player #player button[title="Theater mode"]');
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})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

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Mapster Icon
Mapster - The Mapper of Your Domain
Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.
NuGet
Get it
PM> Install-Package Mapster

Basic usage
Mapping to a new object
Mapster creates the destination object and maps values to it.
vardestObject=sourceObject.Adapt<Destination>();
Mapping to an existing object
You create the object, Mapster maps to the object.
sourceObject.Adapt(destObject);
Queryable Extensions
Mapster also provides extensions to map queryables.
using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}
Generating models & mappers
No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.
[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}
Then Mapster will generate:
publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}
What's new
Why Mapster?
Performance & Memory efficient
Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory.
And you could gain up to 12x faster performance with
MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB
Step into debugging
Step-into debugging lets you debug your mapping and inspect values just like your code.
image
Code Generation
Code generation allows you to
  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties
There are currently two tools which you can choose based on your preferences.
Change logs
https://github.com/MapsterMapper/Mapster/releases
Usages
Acknowledgements
JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.
  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE
image

, 'i');
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Mapster Icon
Mapster - The Mapper of Your Domain
Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.
NuGet
Get it
PM> Install-Package Mapster

Basic usage
Mapping to a new object
Mapster creates the destination object and maps values to it.
vardestObject=sourceObject.Adapt<Destination>();
Mapping to an existing object
You create the object, Mapster maps to the object.
sourceObject.Adapt(destObject);
Queryable Extensions
Mapster also provides extensions to map queryables.
using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}
Generating models & mappers
No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.
[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}
Then Mapster will generate:
publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}
What's new
Why Mapster?
Performance & Memory efficient
Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory.
And you could gain up to 12x faster performance with
MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB
Step into debugging
Step-into debugging lets you debug your mapping and inspect values just like your code.
image
Code Generation
Code generation allows you to
  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties
There are currently two tools which you can choose based on your preferences.
Change logs
https://github.com/MapsterMapper/Mapster/releases
Usages
Acknowledgements
JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.
  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE
image

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README.md
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Mapster Icon
Mapster - The Mapper of Your Domain
Writing mapping methods is a machine job. Do not waste your time, let Mapster do it.
NuGet
Get it
PM> Install-Package Mapster

Basic usage
Mapping to a new object
Mapster creates the destination object and maps values to it.
vardestObject=sourceObject.Adapt<Destination>();
Mapping to an existing object
You create the object, Mapster maps to the object.
sourceObject.Adapt(destObject);
Queryable Extensions
Mapster also provides extensions to map queryables.
using(MyDbContextcontext=newMyDbContext()){// Build a Select Expression from DTOvardestinations=context.Sources.ProjectToType<Destination>().ToList();// Versus creating by hand:vardestinations=context.Sources.Select(c =>newDestination{Id=c.Id,Name=c.Name,Surname=c.Surname,
....
}).ToList();}
Generating models & mappers
No need to write your own DTO classes. Mapster provides Mapster.Tool to help you generating models. And if you would like to have explicit mapping, Mapster also generates mapper class for you.
[AdaptTo("[name]Dto"),GenerateMapper]publicclassStudent{
...}
Then Mapster will generate:
publicclassStudentDto{
...}publicstaticclassStudentMapper{publicstaticStudentDtoAdaptToDto(thisStudentpoco){ ...}publicstaticStudentDtoAdaptTo(thisStudentpoco,StudentDtodto){ ...}publicstaticExpression<Func<Student,StudentDto>>ProjectToDto=> ...}
What's new
Why Mapster?
Performance & Memory efficient
Mapster was designed to be efficient on both speed and memory. You could gain a 4x performance improvement whilst using only 1/3 of memory.
And you could gain up to 12x faster performance with
MethodMeanStdDevErrorGen 0Gen 1Gen 2Allocated
'Mapster 6.0.0'108.59 ms1.198 ms1.811 ms31000.0000--124.36 MB
'Mapster 6.0.0 (Roslyn)'38.45 ms0.494 ms0.830 ms31142.8571--124.36 MB
'Mapster 6.0.0 (FEC)'37.03 ms0.281 ms0.472 ms29642.8571--118.26 MB
'Mapster 6.0.0 (Codegen)'34.16 ms0.209 ms0.316 ms31133.3333--124.36 MB
'ExpressMapper 1.9.1'205.78 ms5.357 ms8.098 ms59000.0000--236.51 MB
'AutoMapper 10.0.0'420.97 ms23.266 ms35.174 ms87000.0000--350.95 MB
Step into debugging
Step-into debugging lets you debug your mapping and inspect values just like your code.
image
Code Generation
Code generation allows you to
  • Validate mapping at compile time
  • Getting raw performance
  • Seeing your mapping code & debugging
  • Finding usage of your models' properties
There are currently two tools which you can choose based on your preferences.
Change logs
https://github.com/MapsterMapper/Mapster/releases
Usages
Acknowledgements
JetBrains kindly provides Mapster with a free open-source licence for their Resharper and Rider.
  • Resharper makes Visual Studio a much better IDE
  • Rider is fast & powerful cross platform .NET IDE
image