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CodeSignal

Advanced Pattern Matching in Elixir

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Overview

This course explores advanced pattern matching techniques in Elixir, including multiple function clauses, guard clauses, pattern matching in different contexts, and the pin operator.

Syllabus

  • Unit 1: Pattern Matching Function Clauses
    • Change the Operation to Multiply
    • Clause Order Makes a Difference
    • Fix the Calculator Function Clauses
    • Pattern Matching with Lists
    • Pattern Matching with Maps
    • Struct Pattern Matching in Action
  • Unit 2: Using Guard Clauses
    • Update Guard Ranges for Fan Levels
    • Overlapping Guards in Action
    • Fix Guard Operators in Elixir Functions
    • Pattern Matching Beats Guard Functions
    • Reusable Guards for Cleaner Code
    • Reusable Guards for Fan Status
  • Unit 3: Pattern Matching with Case
    • Classify Users with Pattern Matching
    • Order Matters in Map Matching
    • Group Roles with Pattern Matching
    • Extracting Tokens with Pattern Matching
  • Unit 4: Using the Pin Operator
    • Switching from Guard to Pin Pattern
    • Pin Operator for List Updates
    • Stop Accidental Rebinding

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