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* lib/date.rb (once): use an instance variable which points a hash

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as cache. [experimental]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15126 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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tadf 2008-01-19 09:42:44 +00:00
parent bf031c9699
commit 3449e0710c
2 changed files with 12 additions and 4 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Sat Jan 19 18:40:19 2008 Tadayoshi Funaba <tadf@dotrb.org>
* lib/date.rb (once): use an instance variable which points a hash
as cache. [experimental]
Sat Jan 19 17:21:29 2008 Tadayoshi Funaba <tadf@dotrb.org> Sat Jan 19 17:21:29 2008 Tadayoshi Funaba <tadf@dotrb.org>
* lib/date.rb, lib/date/format.rb: parse's hints as an * lib/date.rb, lib/date/format.rb: parse's hints as an

11
lib/date.rb
View File

@ -1101,13 +1101,13 @@ class Date
class << self class << self
def once(*ids) # :nodoc: def once(*ids) # :nodoc: -- restricted
for id in ids for id in ids
module_eval <<-"end;" module_eval <<-"end;"
alias_method :__#{id.to_i}__, :#{id.to_s} alias_method :__#{id.to_i}__, :#{id.to_s}
private :__#{id.to_i}__ private :__#{id.to_i}__
def #{id.to_s}(*args, &block) def #{id.to_s}(*args)
(@__#{id.to_i}__ ||= [__#{id.to_i}__(*args, &block)])[0] @__ca__[#{id.to_i}] ||= __#{id.to_i}__(*args)
end end
end; end;
end end
@ -1136,7 +1136,10 @@ class Date
# #
# Using one of the factory methods such as Date::civil is # Using one of the factory methods such as Date::civil is
# generally easier and safer. # generally easier and safer.
def initialize(ajd=0, of=0, sg=ITALY) @ajd, @of, @sg = ajd, of, sg end def initialize(ajd=0, of=0, sg=ITALY)
@ajd, @of, @sg = ajd, of, sg
@__ca__ = {}
end
# Get the date as an Astronomical Julian Day Number. # Get the date as an Astronomical Julian Day Number.
def ajd() @ajd end def ajd() @ajd end