nbfritz

STATUS_MESSAGE_TYPES = Hash.new {|h,k| 
  key = h.keys.find {|e| e.class == Range && e.include?(k) }
  key ? h[k] = h[key] : :undefined
}.merge({
  100..102 => :informational,
  200..208 => :success,
  226      => :success,
  300..308 => :redirection,
  400..417 => :client_error,
  422..431 => :client_error,

nbfritz

some_hash = { :some_key => 'a value' }        # standard syntax
other_hash = { some_key: 'a value' }          # Ruby 1.9 syntax

nbfritz

empty_hash = {}               # using the hash literal syntax
empty_hash = Hash.new         # using the Hash class

nbfritz

counter = Hash.new(0)       # => {} 
counter[:monkey] += 1       # => 1 
counter[:monkey] += 2       # => 3 
counter                     # => {:monkey => 3}

nbfritz

counter = {}                # => {} 
counter[:monkey] += 1       # BOOM! NoMethodError: undefined method `+' for nil:NilClass

nbfritz

STATUS_MESSAGES = { 
  200 => :ok, 
  201 => :created, 
  202 => :accepted 
}

STATUS_MESSAGES[200]      # => :ok 
STATUS_MESSAGES[999]      # => nil

nbfritz

STATUS_MESSAGES = Hash.new(:undefined).merge({ 
  200 => :ok, 
  201 => :created, 
  202 => :accepted 
}  

STATUS_MESSAGES[200]      # => :ok 
STATUS_MESSAGES[999]      # => :undefined

nbfritz

STATUS_TYPES = {
  200..208 => :success,
  500..511 => :server_error
}
 
STATUS_TYPES[200]   # => nil

nbfritz

STATUS_TYPES = Hash.new {|this_hash,missing_key| 
  found_key = this_hash.keys.find {|this_key| this_key.class == Range && this_key.include?(missing_key) }
  found_key ? this_hash[missing_key] = this_hash[found_key] : :undefined
}.merge({
  200..208 => :success,
  500..511 => :server_error
})
 
STATUS_TYPES.keys   # => [200..208, 500..511]
STATUS_TYPES[200]   # => :success

nbfritz

# settings {{{
config defaultToCurrentScreen true
config nudgePercentOf screenSize
config resizePercentOf screenSize

alias gridSize   8,8
alias c          (screenSizeX/8)
alias r          (screenSizeY/8)
#}}}