Sha256: 49cc06a85226b7742695135deffd6b4938a5b0f1a9bba39b6bb8336a6d9df56d
Contents?: true
Size: 759 Bytes
Versions: 16
Compression:
Stored size: 759 Bytes
Contents
module Kernel
# Object#cache is essentially like Module#memoize except
# it can also be used on singleton/eigen methods.
# OTOH, memoize's implementation is arguably better for it's
# use of #bind instead of #alias. Eventually the two implmenations
# will be reconciled with a single implmentation.
def cache m = nil
if m
(Module === self ? self : (class << self; self; end)).module_eval <<-code
alias_method '__#{ m }__', '#{ m }'
def #{ m }(*__a__,&__b__)
c = cache['#{ m }']
k = [__a__,__b__]
if c.has_key? k
c[k]
else
c[k] = __#{ m }__(*__a__,&__b__)
end
end
code
end
@cache ||= Hash::new{|h,k| h[k]={}}
end
end
Version data entries
16 entries across 16 versions & 1 rubygems