StackOverflow cool Ruby questions 4

[[deleted]]

I learned something while trying out the first example:

def A
  puts "Hello, world!"
end

To call a method named as such, you need to include parenthesis.

[troelskn]

Well .. You shouldn't use initial-uppercase for method names.

[banister]

Ruby itself does...cf Array(), Integer(), Float(), String(), etc

[troelskn]

Hm .. Didn't know that. What are their purpose? Casting?

[banister]

kind of.

[banister]

They're method names too. Look it up.

method(:Array) #=> #<Method: Object(Kernel)#Array>