ParserAwaiter: Simplify ParserAwaiterTaskAdapter::checkParsing()HEADmaster

Use Qt::SingleShotConnection instead of disconnect().
Simplify lambda body.

Amends 580d605fd3e0a6a6755bdfdcba3bfdea24e319f4

Change-Id: Icb23aa94a1f56112ce330f2b990b3cf8bb4e14e4
Reviewed-by: Christian Kandeler <[email protected]>

1 files changed, 3 insertions, 9 deletions

diff --git a/src/plugins/projectexplorer/buildmanager.cpp b/src/plugins/projectexplorer/buildmanager.cpp
index defbac1b4af..b4d67db63d8 100644
--- a/src/plugins/projectexplorer/buildmanager.cpp
+++ b/src/plugins/projectexplorer/buildmanager.cpp
@@ -162,15 +162,9 @@ private:
         for (BuildSystem *buildSystem : buildSystems) {
             if (!buildSystem || !buildSystem->isParsing())
                 continue;
-            connect(buildSystem, &BuildSystem::parsingFinished,
-                    this, [this, buildSystem](bool success) {
-                disconnect(buildSystem, &BuildSystem::parsingFinished, this, nullptr);
-                if (!success) {
-                    emit done(DoneResult::Error);
-                    return;
-                }
-                checkParsing();
-            });
+            connect(buildSystem, &BuildSystem::parsingFinished, this, [this](bool success) {
+                success ? checkParsing() : emit done(DoneResult::Error);
+            }, Qt::SingleShotConnection);
             return;
         }
         emit done(DoneResult::Success);