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|
type t =
| A
| DBG [@IFDEF DEBUG] of string
| B
[%%IFDEF DEBUG]
let debug s = prerr_endline ([%GETENV DEBUG] ^ ":" ^ s)
let x = DBG "xxx"
[%%ELSE]
let debug _ = ()
let x = A
[%%END]
let f = function
| A -> "A"
| DBG s when [%IFDEF DEBUG] -> "DEBUG:" ^ s
| B -> "B"
let () = debug "ABC"
let () =
Printf.printf "compiled by user %s in directory %s\n%!"
[%GETENV USER]
[%GETENV PWD]
|
