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Functional Programming in JavaScript
1. Introduction to Functional Programming
2. JavaScript Foundations for Functional Programming
3. Pure Functions and Side Effects
4. Immutability in JavaScript
5. Array Methods and Higher-Order Functions
6. Function Composition
7. Currying and Partial Application
8. Recursion in Functional Programming
9. Functional Data Structures
10. Error Handling in Functional Programming
11. Asynchronous Functional Programming
12. Functional Programming Libraries
13. Practical Application Patterns
14. Advanced Functional Concepts
10.
Error Handling in Functional Programming
10.1.
Traditional Error Handling Problems
10.1.1.
Exception-Based Flow Control
10.1.2.
Hidden Control Flow
10.1.3.
Composition Difficulties
10.2.
Functional Error Handling Approaches
10.2.1.
Explicit Error Types
10.2.2.
Composable Error Handling
10.2.3.
Predictable Flow Control
10.3.
Maybe Pattern for Optional Values
10.3.1.
Null Pointer Elimination
10.3.2.
Safe Navigation
10.3.3.
Default Value Handling
10.4.
Either Pattern for Error Handling
10.4.1.
Success and Failure Paths
10.4.2.
Error Information Preservation
10.4.3.
Composable Error Chains
10.5.
Result Type Implementation
10.5.1.
Ok and Err Variants
10.5.2.
Pattern Matching
10.5.3.
Transformation Methods
10.6.
Error Handling Best Practices
10.6.1.
Early Error Detection
10.6.2.
Error Message Design
10.6.3.
Recovery Strategies
10.6.4.
Logging and Monitoring
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11. Asynchronous Functional Programming