Fix examples

Signed-off-by: Euan Torano <[email protected]>

Author: euantorano

pledge.nim

@@ -1,83 +1,83 @@
-## A wrapper for the `pledge(2) <http://man.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/pledge.2?query=pledge>`_ systemcall, used to restrict system operations.
-##
-## On systems other than OpenBSD where `pledge` is not yet implemented, the wrapper has no effect.
-##
-## Example of making a single promise
-## ----------------------------------
-##
-## In order to pledge to only use the `stdio` promise as described in the `pledge(2) man page <http://man.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/pledge.2?query=pledge>`_, you simply pass the `Promise.Stdio` to `pledge()`:
-##
-## .. code-block::nim
-##   import pledge
-##
-##   let pledged = pledge(Promises.Stdio)
-##
-## Example of making several promises
-## ----------------------------------
-##
-## In order to pledge to use the `stdio` and `rpath` promises as described in the `pledge(2) man page <http://man.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/pledge.2?query=pledge>`_, you simply pass the required promises to `pledge()`:
-##
-## .. code-block::nim
-##   import pledge
-##
-##   let pledged = pledge(Promises.Stdio, Promises.Rpath)
-
-from os import osLastError, raiseOSError
-from sequtils import map, deduplicate
-from strutils import join
-
-type Promise* {.pure.} = enum
-  ## The possible operation sets that a program can pledge to be limited to.
-  Stdio = "stdio",
-  Rpath = "rpath",
-  Wpath = "wpath",
-  Cpath = "cpath",
-  Dpath = "dpath",
-  Tmppath = "tmppath",
-  Inet = "inet",
-  Fattr = "fattr",
-  Flock = "flock",
-  Unix = "unix",
-  Dns = "dns",
-  Getpw = "getpw",
-  Sendfd = "sendfd",
-  Recvfd = "recvfd",
-  Ioctl = "ioctl",
-  Tty = "tty",
-  Proc = "proc",
-  Exec = "exec",
-  Prot_exec = "prot_exec",
-  Settime = "settime",
-  Ps = "ps",
-  Vminfo = "vminfo",
-  Id = "id",
-  Pf = "pf",
-  Audio = "audio"
-
-when defined(nimdoc):
-  proc pledge*(promises: varargs[Promise]): bool {.raises: [OSError].} = discard
-    ## Pledge to use only the defined functions. Always returns true on non-OpenBSD systems.
-    ##
-    ## If the pledge call was successful, this will return true.
-    ##
-    ## If the pledge call is not successful, an `OSError` will be thrown.
-elif defined(openbsd):
-  proc pledge_c(promises: cstring, paths: cstringArray): cint {.importc: "pledge".}
-
-  proc promisesToString(promises: openArray[Promise]): string =
-    ## Convert a list of promises to a string for use with the `pledge(2)` function.
-    let stringPromises = map(promises, proc(p: Promise): string = $p)
-    return join(deduplicate(stringPromises), " ")
-
-  proc pledge*(promises: varargs[Promise]): bool {.raises: [OSError].} =
-    let promisesString = promisesToString(promises)
-    let pledged = pledge_c(promisesString, nil)
-
-    if pledged != 0:
-      let errorCode = osLastError()
-      raiseOSError(errorCode)
-
-    result = true
-
-else:
-  proc pledge*(promises: varargs[Promise]): bool = true
+## A wrapper for the `pledge(2) <http://man.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/pledge.2?query=pledge>`_ systemcall, used to restrict system operations.
+##
+## On systems other than OpenBSD where `pledge` is not yet implemented, the wrapper has no effect.
+##
+## Example of making a single promise
+## ----------------------------------
+##
+## In order to pledge to only use the `stdio` promise as described in the `pledge(2) man page <http://man.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/pledge.2?query=pledge>`_, you simply pass the `Promise.Stdio` to `pledge()`:
+##
+## .. code-block::nim
+##   import pledge
+##
+##   let pledged = pledge(Promise.Stdio)
+##
+## Example of making several promises
+## ----------------------------------
+##
+## In order to pledge to use the `stdio` and `rpath` promises as described in the `pledge(2) man page <http://man.openbsd.org/cgi-bin/man.cgi/OpenBSD-current/man2/pledge.2?query=pledge>`_, you simply pass the required promises to `pledge()`:
+##
+## .. code-block::nim
+##   import pledge
+##
+##   let pledged = pledge(Promise.Stdio, Promise.Rpath)
+
+from os import osLastError, raiseOSError
+from sequtils import map, deduplicate
+from strutils import join
+
+type Promise* {.pure.} = enum
+  ## The possible operation sets that a program can pledge to be limited to.
+  Stdio = "stdio",
+  Rpath = "rpath",
+  Wpath = "wpath",
+  Cpath = "cpath",
+  Dpath = "dpath",
+  Tmppath = "tmppath",
+  Inet = "inet",
+  Fattr = "fattr",
+  Flock = "flock",
+  Unix = "unix",
+  Dns = "dns",
+  Getpw = "getpw",
+  Sendfd = "sendfd",
+  Recvfd = "recvfd",
+  Ioctl = "ioctl",
+  Tty = "tty",
+  Proc = "proc",
+  Exec = "exec",
+  Prot_exec = "prot_exec",
+  Settime = "settime",
+  Ps = "ps",
+  Vminfo = "vminfo",
+  Id = "id",
+  Pf = "pf",
+  Audio = "audio"
+
+when defined(nimdoc):
+  proc pledge*(promises: varargs[Promise]): bool {.raises: [OSError].} = discard
+    ## Pledge to use only the defined functions. Always returns true on non-OpenBSD systems.
+    ##
+    ## If the pledge call was successful, this will return true.
+    ##
+    ## If the pledge call is not successful, an `OSError` will be thrown.
+elif defined(openbsd):
+  proc pledge_c(promises: cstring, paths: cstringArray): cint {.importc: "pledge".}
+
+  proc promisesToString(promises: openArray[Promise]): string =
+    ## Convert a list of promises to a string for use with the `pledge(2)` function.
+    let stringPromises = map(promises, proc(p: Promise): string = $p)
+    return join(deduplicate(stringPromises), " ")
+
+  proc pledge*(promises: varargs[Promise]): bool {.raises: [OSError].} =
+    let promisesString = promisesToString(promises)
+    let pledged = pledge_c(promisesString, nil)
+
+    if pledged != 0:
+      let errorCode = osLastError()
+      raiseOSError(errorCode)
+
+    result = true
+
+else:
+  proc pledge*(promises: varargs[Promise]): bool = true