Lambda vs Method

lambda_vs_method.rb

def query_leap_year(year)
  year % 400 == 0 || year % 100 != 0 && year % 4 == 0
end

def year_in_minutes(year)
  60 * 24 * (query_leap_year(year) ? 366 : 365)
end

##########
# VERSUS #
##########

query_leap_year = ->(year) do
  year % 400 == 0 || year % 100 != 0 && year % 4 == 0
end

year_in_minutes = ->(year) do
  60 * 24 * (query_leap_year.call(year) ? 366 : 365)
end