WIP: debugPrecondition

Author: milseman

Sources/System/Util.swift

@@ -38,15 +38,21 @@ internal func valueOrErrno<I: FixedWidthInteger>(
 
 // Run a precondition for debug client builds
 internal func _debugPrecondition(
-  _ condition: @autoclosure () -> Bool, _ message: StaticString = StaticString(),
+  _ condition: @autoclosure () -> Bool,
+  _ message: StaticString = StaticString(),
   file: StaticString = #file, line: UInt = #line
 ) {
   // Only check in debug mode.
-  if _slowPath(_isDebugAssertConfiguration()) { precondition(condition()) }
+  if _slowPath(_isDebugAssertConfiguration()) {
+    precondition(
+      condition(), String(describing: message), file: file, line: line)
+  }
 }
 
 extension OpaquePointer {
-  internal var _isNULL: Bool { OpaquePointer(bitPattern: Int(bitPattern: self)) == nil }
+  internal var _isNULL: Bool {
+    OpaquePointer(bitPattern: Int(bitPattern: self)) == nil
+  }
 }
 
 extension Sequence {