@@ -20,6 +20,12 @@
2020-- * Conversion of a JSON value to a Haskell value. This may be
2121-- either immediate (strict) or deferred (lazy); see below for
2222-- details.
23+--
24+-- The question of whether to choose a lazy or strict parser is
25+-- subtle, but it can have significant performance implications,
26+-- resulting in changes in CPU use and memory footprint of 30% to 50%,
27+-- or occasionally more. Measure the performance of your application
28+-- with each!
2329
2430module Data.Aeson.Parser
2531 (