module Debug where {-| This library is for investigating bugs or performance problems. It should *not* be used in production code. -} import Native.Debug {-| Log a tagged value on the developer console, and then return the value. 1 + log "number" 1 -- equals 2, logs "number: 1" length (log "start" []) -- equals 0, logs "start: []" Notice that `log` is not a pure function! It should *only* be used for investigating bugs or performance problems. -} log : String -> a -> a log = Native.Debug.log