class CrSerializer::Assertions::IsNilAssertion(ActualValueType)

Overview

Validates a property is nil

Usable on all data types

@[Assert::IsNil]
property name : String

Defined in:

CrSerializer/assertions/is_nil.cr

Constructors

Instance Method Summary

Instance methods inherited from class CrSerializer::Assertions::Assertion

error_message : String error_message, field : String field, valid? : Bool valid?

Constructor methods inherited from class CrSerializer::Assertions::Assertion

new(field : String, message : String | Nil) new

Instance methods inherited from class Object

to_json(io : IO, groups : Array(String), expand : Array(String))
to_json(groups : Array(String) = ["default"], expand : Array(String) = [] of String) : String to_json, to_pretty_json(indent : String = " ", groups : Array(String) = ["default"], expand : Array(String) = [] of String)
to_pretty_json(io : IO, groups : Array(String), expand : Array(String), indent : String = " ") to_pretty_json, to_yaml(groups : Array(String) = ["default"], expand : Array(String) = [] of String) : String to_yaml

Constructor Detail

def self.new(field : String, message : String | Nil, actual : ActualValueType) #

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Instance Method Detail

def actual #

The current value of the property


def error_message : String #

The message that will be shown if the assertion is not valid


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def valid? : Bool #
Description copied from class CrSerializer::Assertions::Assertion

Returns true if the provided property passes the assertion, otherwise false.

TODO make this abstract once this issue is resolved.


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