Expr class

Represents an expression text. Example: title: "User account presence" description: "Determines whether the request has a user account" expression: "size(request.user) > 0"


Expr.fromJson(Map _json)


description String
An optional description of the expression. This is a longer text which describes the expression, e.g. when hovered over it in a UI.
read / write
expression String
Textual representation of an expression in Common Expression Language syntax. The application context of the containing message determines which well-known feature set of CEL is supported.
read / write
hashCode int
The hash code for this object. [...]
read-only, inherited
location String
An optional string indicating the location of the expression for error reporting, e.g. a file name and a position in the file.
read / write
runtimeType Type
A representation of the runtime type of the object.
read-only, inherited
title String
An optional title for the expression, i.e. a short string describing its purpose. This can be used e.g. in UIs which allow to enter the expression.
read / write


noSuchMethod(Invocation invocation) → dynamic
Invoked when a non-existent method or property is accessed. [...]
toJson() Map<String, Object>
toString() String
Returns a string representation of this object.


operator ==(Object other) bool
The equality operator. [...]