Now that we've seen procs and lambdas, I think it's important to clarify the difference between the two. There are two key differences in addition to the syntax. Note that the differences are subtle, even to the point that you may never even notice them while programming. Still, they're good to know, especially, if you plan on building advanced programs.
What is the difference between procs and lambdas in Ruby?
by Jordan Hudgens
Comprehensive Ruby Programming
- Preface
- Introduction to the Ruby Programming Language
- Ruby Variables
- Ruby Strings
- Working with Numbers in Ruby
- Ruby Methods
- Creating methods in Ruby
- What does a Ruby method return?
- What are the differences between class and instance methods in Ruby?
- Ruby proc tutorial
- The Ruby lambda tutorial
- What is the difference between procs and lambdas in Ruby?
- Guide to method arguments in Ruby
- Using splat and optional arguments in Ruby methods
- Summary
- Ruby Iterators and Loops
- Ruby Collections
- Ruby Conditionals
- Object-Oriented Programming in Ruby
- Introduction to how OOP works
- Ruby OOP development – setters, getters, and methods
- Working with instantiation in Ruby
- Creating an initializer method in a Ruby class
- The working of OOP inheritance
- Overview of private versus public methods
- The working of polymorphism and usage of super
- Dead simple OOP
- SOLID OOP development – the simple responsibility principle
- SOLID OOP development – the open/closed principle guide and example
- SOLID OOP development – the Liskov substitution principle
- SOLID OOP development – the interface segregation principle
- SOLID OOP development – the dependency inversion principle
- Summary
- Working with the Filesystem in Ruby
- Error Handling in Ruby
- Regular Expressions in Ruby
- Searching with grep in Ruby
- Ruby Gems
- Ruby Metaprogramming
- Metaprogramming introduction
- How to integrate metaprogramming techniques into a custom class
- How to use metaprogramming for opening and customizing the String class
- How Rails use metaprogramming for the find_by method
- Utilizing metaprogramming with method_missing to create methods on the fly
- Incorporating respond_to_missing to conform to metaprogramming best practices
- Implementing metaprogramming with define_method
- Summary
- Ruby Web Frameworks
- Working with APIs in Ruby
- Ruby Algorithms
- Introduction to sorting algorithms
- Implementing the bubble sort algorithm
- Implementing the quick sort algorithm
- Implementing the merge sort algorithm
- Implementing a prime number counting algorithm
- How to code the power digit sum algorithm
- Implementing a humanize counting algorithm
- Implementing a date algorithm
- How to code a Fibonacci digit counter
- Implementing a permutation algorithm
- Implementing an amicable number algorithm
- Implementing a factorial algorithm
- Implementing an even Fibonacci number algorithm
- Implementing the least common multiple
- Summary
- Machine Learning
What is the difference between procs and lambdas in Ruby?
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