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Handle failures gracefully with Go's error patterns
Welcome to errors
Go's error interface
The standard pattern
The if err pattern
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Using errors.New
Using fmt.Errorf
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Predefined error values
Checking error identity
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Adding context
Accessing wrapped errors
Building context
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Structured errors
Type assertions on errors
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Error aggregation
Error handling decisions
A critical rule
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Writing helpful messages
Recording failures
When things go wrong
Appropriate uses
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Catching panics
When to recover
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Choosing the right approach
Idiomatic error handling
Reducing nesting
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Real-world pattern
I/O error handling
Verifying error behavior
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Handling transient failures
Resource management
Panic on error
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Adding helpful information
Looking ahead
Key takeaways
