preparing the package

analysis_options.yaml

@@ -1,14 +1,14 @@
-# Defines a default set of lint rules enforced for
-# projects at Google. For details and rationale,
-# see https://github.com/dart-lang/pedantic#enabled-lints.
+# default set of lint rules enforced for projects at Google
+# https://github.com/dart-lang/pedantic#enabled-lints
 include: package:pedantic/analysis_options.yaml
 
-# For lint rules and documentation, see http://dart-lang.github.io/linter/lints.
-# Uncomment to specify additional rules.
-# linter:
-#   rules:
-#     - camel_case_types
+# http://dart-lang.github.io/linter/lints
+linter:
+  rules:
+    omit_local_variable_types: false
+    await_only_futures: true
 
 analyzer:
 #   exclude:
 #     - path/to/excluded/files/**
+

lib/src/00_ints.dart

@@ -34,10 +34,11 @@ extension BitInt on int {
     // uint64 will shift all 64 of its bits,
     // but int64 will shift lower 63 and preserve the highest bit
 
-    if (this >= 0)
+    if (this >= 0) {
       return this >> shift;
+    }
     else {
-      int x = this;
+      var x = this;
       // setting highest bit to zero
       x &= INT64_MAX_POSITIVE;
       assert(x >= 0);
@@ -59,10 +60,11 @@ extension BitInt on int {
     // uint64 will shift all 64 of its bits,
     // but int64 will shift lower 63 and preserve the highest bit
 
-    if (this >= 0)
+    if (this >= 0) {
       return this >> shift;
+    }
     else {
-      int x = this;
+      var x = this;
       // setting highest bit to zero
       x &= INT64_MAX_POSITIVE;
       assert(x >= 0);
@@ -93,8 +95,9 @@ extension BitInt on int {
 
   String toHexUint64() {
 
-    if (this>=0)
+    if (this>=0) {
       return this.toRadixString(16).toUpperCase().padLeft(16, '0');
+    }
 
     int lower7bytes = this & INT64_LOWER_7_BYTES;
     String strLow = lower7bytes.toRadixString(16).toUpperCase().padLeft(14, '0');