Use longer lambda parameter names

Author: amcasey

src/compiler/program.ts

@@ -114,9 +114,9 @@ namespace ts {
                     fileName,
                     data,
                     writeByteOrderMark,
-                    (f, d, w) => writeFileWorker(f, d, w),
-                    p => (compilerHost.createDirectory || system.createDirectory)(p),
-                    p => directoryExists(p));
+                    (path, data, writeByteOrderMark) => writeFileWorker(path, data, writeByteOrderMark),
+                    path => (compilerHost.createDirectory || system.createDirectory)(path),
+                    path => directoryExists(path));
 
                 performance.mark("afterIOWrite");
                 performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite");

src/compiler/sys.ts

@@ -534,9 +534,9 @@ namespace ts {
                 path,
                 data,
                 !!writeBom,
-                (p, d, w) => originalWriteFile.call(sys, p, d, w),
-                p => sys.createDirectory(p),
-                p => sys.directoryExists(p));
+                (path, data, writeByteOrderMark) => originalWriteFile.call(sys, path, data, writeByteOrderMark),
+                path => sys.createDirectory(path),
+                path => sys.directoryExists(path));
     }
 
     /*@internal*/

src/compiler/watch.ts

@@ -307,9 +307,9 @@ namespace ts {
                     fileName,
                     text,
                     writeByteOrderMark,
-                    (f, w, d) => host.writeFile!(f, w, d),
-                    p => host.createDirectory!(p),
-                    p => host.directoryExists!(p));
+                    (path, data, writeByteOrderMark) => host.writeFile!(path, data, writeByteOrderMark),
+                    path => host.createDirectory!(path),
+                    path => host.directoryExists!(path));
 
                 performance.mark("afterIOWrite");
                 performance.measure("I/O Write", "beforeIOWrite", "afterIOWrite");