gems.compass-0.12.2.lib.compass.quick_cache.rb Maven / Gradle / Ivy
module QuickCache
# cache a value in memory for just a few seconds
# This can speed up reads of values that change relatively infrequently
# but might be read many times in a short burst of reads.
def quick_cache(key, ttl = 1)
@quick_cache ||= {}
if @quick_cache[key] && @quick_cache[key].first > Time.now - ttl
@quick_cache[key].last
else
(@quick_cache[key] = [Time.now, yield]).last
end
end
end