kwargs-v-hash.rb

params = { some: :thing }
oops = {}

def kwargs(some:)
  puts some
end

def hash(args)
  puts args.fetch(:some)
end

kwargs(params)
hash(params)

begin
  kwargs(oops)
rescue Exception => e
  puts e
end

begin
  hash(oops)
rescue Exception => e
  puts e
end

op.txt

● master ~/Code/OSS » ruby kwargs-v-hash.rb
thing
thing
missing keyword: some
key not found: :some