Error handling with Result
How to design fallible APIs, when to use ?, and how to build up
error types that compose.
Read more
Guides
The Language Tour and Reference answer what is in Vertex?. This section answers how do I do X?.
Each guide is self-contained and assumes you are comfortable with everything up to tour Chapter 8 (Option and Result).
In this section
Section titled “In this section”Pattern matching in practice
Real patterns beyond the basics: guards, nested destructuring,
list patterns, and when to reach for let assert.
Read more
Testing your code
Writing @Test functions, structuring test files, and using the
simulated DML layer to test Salesforce code without an org.
Read more
Interop with existing Apex
Calling Apex classes, wrapping the parts of System.* you need,
and handling values of type Apex.Object.
Read more
Building for Salesforce
Putting it all together: @SObject, DML, @AuraEnabled, and
sharing modifiers in a single project.
Read more