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-rw-r--r--hash.rb10
1 files changed, 7 insertions, 3 deletions
@@ -4,8 +4,10 @@ class Hash
# Hash.new(capacity: 0) {|self, key| ... } -> new_hash
#
# Returns a new empty \Hash object.
# Initializes the values of Hash#default and Hash#default_proc,
- # which determine the value to be returned by method Hash#[] when the entry does not exist.
#
# By default, a hash has +nil+ values for both +default+ and +default_proc+:
#
@@ -13,19 +15,21 @@ class Hash
# h.default # => nil
# h.default_proc # => nil
#
- # If the +default_value+ argument is provided, it sets the +default+ value for the hash:
#
# h = Hash.new(false) # => {}
# h.default # => false
# h.default_proc # => nil
#
- # If a block is given, it sets the +default_proc+ value:
#
# h = Hash.new {|hash, key| "Hash #{hash}: Default value for #{key}" }
# h.default # => nil
# h.default_proc # => #<Proc:0x00000289b6fa7048 (irb):185>
# h[:nosuch] # => "Hash {}: Default value for nosuch"
#
# If optional keyword argument +capacity+ is given with a positive integer value +n+,
# initializes the hash with enough capacity to accommodate +n+ entries without resizing.
#