Blocks And Procs In Ruby - Practice Test

(A) A chunk of code that can be passed to methods as an argument

(B) A data structure for storing multiple values

(C) A special type of object that holds code to be executed

(D) A method that can be invoked with different arguments

(A) A chunk of code that can be passed to methods as an argument

(A) By using the keyword block followed by square brackets []

(B) By using the keyword block followed by parentheses ()

(C) By defining a method with the keyword block

(D) By enclosing code within curly braces {}

(D) By enclosing code within curly braces {}

(A) A method that takes no arguments

(B) A predefined set of instructions

(C) A block that has been converted into an object

(D) A data structure for storing key-value pairs

(C) A block that has been converted into an object

(A) By using the create_proc function

(B) Using the Proc.new method or the -> (stabby lambda) syntax

(C) By invoking the proc keyword followed by parentheses ()

(D) None of the above

(B) Using the Proc.new method or the -> (stabby lambda) syntax

(A) A proc can be passed directly to methods, while a block needs to be converted into an object

(B) A proc is an anonymous function, while a block is a named function

(C) A block can be passed directly to methods, while a proc needs to be converted into an object

(D) A block is an anonymous function, while a proc is a named function

(C) A block can be passed directly to methods, while a proc needs to be converted into an object

Blocks And Procs In Ruby - Study Mode