unmarshaling

Unmarshaling Example

Shows how to unmarshal data with validation and default value application.

What it shows

• Unmarshal() method validates and unmarshals data
• Default values from schema are automatically applied
• Validation errors during unmarshal
• Unmarshal to structs or maps

Key Features

• Validates data before unmarshaling
• Applies schema defaults to missing fields
• Returns validation errors if data is invalid
• Works with JSON, maps, and structs as input

Run

go run main.go

Output

Unmarshaling with Defaults
==========================
1. JSON with missing optional fields:
   Result: {Name:Alice Age:25 Country:US Active:true}

2. Map with some values provided:
   Result: {Name:Bob Age:30 Country:Canada Active:true}

3. Validation failure during unmarshal:
   Error: validation failed: name: [Value should be at least 1 characters long], age: [Value should be at least 0]

4. Unmarshal to map:
   Result: map[active:true age:35 country:US name:Charlie]