[web-devel] lazy RESTful Content

[Greg Weber]

lazy and REST seem to go together :)

Perhaps this will expose my ignorance of laziness/strictness and isn't at
all Yesod specific. I have a handler that can serve html or json. When an
html request comes in it still executes the json code. I assume this is
because the json code uses liftIO. What is the strategy for avoiding
executing the json code?
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