- Add readme section on WithMessage.

- Add editorconfig.

Author: CodingFlow

.editorconfig

@@ -0,0 +1,80 @@
+
+[*.cs]
+#### Naming styles ####
+
+# Naming rules
+
+dotnet_naming_rule.interface_should_be_begins_with_i.severity = suggestion
+dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
+dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i
+
+dotnet_naming_rule.types_should_be_pascal_case.severity = suggestion
+dotnet_naming_rule.types_should_be_pascal_case.symbols = types
+dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case
+
+dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = suggestion
+dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
+dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
+
+# Symbol specifications
+
+dotnet_naming_symbols.interface.applicable_kinds = interface
+dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.interface.required_modifiers = 
+
+dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
+dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.types.required_modifiers = 
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
+dotnet_naming_symbols.non_field_members.required_modifiers = 
+
+# Naming styles
+
+dotnet_naming_style.begins_with_i.required_prefix = I
+dotnet_naming_style.begins_with_i.required_suffix = 
+dotnet_naming_style.begins_with_i.word_separator = 
+dotnet_naming_style.begins_with_i.capitalization = pascal_case
+
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+
+dotnet_naming_style.pascal_case.required_prefix = 
+dotnet_naming_style.pascal_case.required_suffix = 
+dotnet_naming_style.pascal_case.word_separator = 
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+end_of_line = crlf
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
+dotnet_style_prefer_auto_properties = true:silent
+dotnet_style_namespace_match_folder = true:suggestion
+
+csharp_indent_labels = one_less_than_current
+csharp_using_directive_placement = outside_namespace:silent
+csharp_prefer_simple_using_statement = true:suggestion
+csharp_prefer_braces = true:silent
+csharp_style_namespace_declarations = file_scoped:error
+csharp_style_prefer_method_group_conversion = true:silent
+csharp_style_prefer_top_level_statements = true:silent
+csharp_style_prefer_primary_constructors = true:suggestion
+csharp_prefer_system_threading_lock = true:suggestion
+csharp_style_expression_bodied_methods = false:silent
+csharp_style_expression_bodied_constructors = false:silent
+csharp_style_expression_bodied_operators = false:silent
+csharp_style_expression_bodied_properties = true:silent
+csharp_style_expression_bodied_indexers = true:silent
+csharp_style_expression_bodied_accessors = true:silent
+csharp_style_expression_bodied_lambdas = true:silent
+csharp_style_expression_bodied_local_functions = false:silent
+
+# Spacing Conventions
+
+[*.{cs,csproj,props,.sln}]
+indent_style = space
+indent_size = 4
+tab_width = 4

Examples/WithMessageBasicExample.cs

@@ -0,0 +1,19 @@
+using CodingFlow.FluentValidation;
+using CodingFlow.FluentValidation.Validators;
+using static CodingFlow.FluentValidation.Validations;
+
+namespace Examples;
+
+internal class WithMessageBasicExample
+{
+    public void Run()
+    {
+        var input = 11;
+
+        // begin-snippet: WithMessageBasicExample
+        RuleFor(input)
+            .Equal(8).WithMessage("The two numbers are not equal.")
+        .Result();
+        // end-snippet
+    }
+}

README.md

@@ -120,6 +120,22 @@ RuleFor(input)
 <sup><a href='/Examples/MustBasicExample.cs#L12-L16' title='Snippet source file'>snippet source</a> | <a href='#snippet-MustBasicExample' title='Start of snippet'>anchor</a></sup>
 <!-- endSnippet -->
 
+# Customizing
+
+## Custom Error Messages
+
+The `WithMessage` method can be used to change the validation error message for a validator.
+
+<!-- snippet: WithMessageBasicExample -->
+<a id='snippet-WithMessageBasicExample'></a>
+```cs
+RuleFor(input)
+    .Equal(8).WithMessage("The two numbers are not equal.")
+.Result();
+```
+<sup><a href='/Examples/WithMessageBasicExample.cs#L13-L17' title='Snippet source file'>snippet source</a> | <a href='#snippet-WithMessageBasicExample' title='Start of snippet'>anchor</a></sup>
+<!-- endSnippet -->
+
 # Integrations
 
 ## Vogen

README.source.md

@@ -53,6 +53,14 @@ The predicate (aka `Must`) validator allows you to provide your own validation l
 
 snippet: MustBasicExample
 
+# Customizing
+
+## Custom Error Messages
+
+The `WithMessage` method can be used to change the validation error message for a validator.
+
+snippet: WithMessageBasicExample
+
 # Integrations
 
 ## Vogen