Use of block.call vs yield

block-call-vs-yeild.rb

def platform_call(platform_name, &block)
  puts "SupportedPlatforms.verify!(platform_name)"
  puts "self.current_platform = platform_name"
  block.call
  puts "self.current_platform = nil"
end


def platform_yield(platform_name, &block)
  puts "SupportedPlatforms.verify!(platform_name)"
  puts "self.current_platform = platform_name"
  yield
  puts "self.current_platform = nil"
end


puts "Using block.call"
puts ""
platform_call("X") do
    puts "---> block body on block.call"
end
puts ""


puts "Using yield"
puts ""
platform_yield("X") do
    puts "---> block body on yield"
end
puts ""