From: basvandijk@home.nl <unknown>
Date: Thu, 19 Oct 2006 15:23:28 +0000 (+0000)
Subject: A little abstraction
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=d5e97410a9d7309b53a8df78d69172d3b1592ba7

A little abstraction
---

diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
index 9e33f51..fddeb6d 100644
--- a/compiler/main/DriverPipeline.hs
+++ b/compiler/main/DriverPipeline.hs
@@ -416,9 +416,7 @@ runPipeline stop_phase dflags (input_fn, mb_phase) output maybe_loc
   let (basename, suffix) = splitFilename input_fn
 
 	-- If we were given a -x flag, then use that phase to start from
-      start_phase
-	| Just x_phase <- mb_phase = x_phase
-	| otherwise                = startPhase suffix
+      start_phase = fromMaybe (startPhase suffix) mb_phase
 
   -- We want to catch cases of "you can't get there from here" before
   -- we start the pipeline, because otherwise it will just run off the