Various minor/cosmetic improvements to code

3 files changed, 5 insertions, 5 deletions

diff --git a/src/librustc_borrowck/borrowck/gather_loans/mod.rs b/src/librustc_borrowck/borrowck/gather_loans/mod.rs
index 1a9672aa6ce..7ed4d4910d7 100644
--- a/src/librustc_borrowck/borrowck/gather_loans/mod.rs
+++ b/src/librustc_borrowck/borrowck/gather_loans/mod.rs
@@ -286,7 +286,7 @@ impl<'a, 'tcx> GatherLoanCtxt<'a, 'tcx> {
                                                 lp);
             }
             None => {
-                // This can occur with e.g. `*foo() = 5`.  In such
+                // This can occur with e.g., `*foo() = 5`.  In such
                 // cases, there is no need to check for conflicts
                 // with moves etc, just ignore.
             }
diff --git a/src/librustc_borrowck/borrowck/mod.rs b/src/librustc_borrowck/borrowck/mod.rs
index 3a0d252137c..cb1200f462f 100644
--- a/src/librustc_borrowck/borrowck/mod.rs
+++ b/src/librustc_borrowck/borrowck/mod.rs
@@ -217,7 +217,7 @@ fn build_borrowck_dataflow_data<'a, 'c, 'tcx, F>(this: &mut BorrowckCtxt<'a, 'tc
 }
 
 /// Accessor for introspective clients inspecting `AnalysisData` and
-/// the `BorrowckCtxt` itself , e.g. the flowgraph visualizer.
+/// the `BorrowckCtxt` itself , e.g., the flowgraph visualizer.
 pub fn build_borrowck_dataflow_data_for_fn<'a, 'tcx>(
     tcx: TyCtxt<'a, 'tcx, 'tcx>,
     body_id: hir::BodyId,
diff --git a/src/librustc_borrowck/dataflow.rs b/src/librustc_borrowck/dataflow.rs
index 99df0fa5e47..d12c22109c6 100644
--- a/src/librustc_borrowck/dataflow.rs
+++ b/src/librustc_borrowck/dataflow.rs
@@ -71,7 +71,7 @@ pub struct DataFlowContext<'a, 'tcx: 'a, O> {
     scope_kills: Vec<usize>,
 
     /// bits killed as we exit the cfg node directly; if it is jumped
-    /// over, e.g. via `break`, the kills are not reflected in the
+    /// over, e.g., via `break`, the kills are not reflected in the
     /// jump's effects. Updated by `add_kill(KillFrom::Execution)`.
     action_kills: Vec<usize>,
 
@@ -172,7 +172,7 @@ fn build_local_id_to_index(body: Option<&hir::Body>,
     let mut index = FxHashMap::default();
 
     // FIXME(#15020) Would it be better to fold formals from decl
-    // into cfg itself?  i.e. introduce a fn-based flow-graph in
+    // into cfg itself?  i.e., introduce a fn-based flow-graph in
     // addition to the current block-based flow-graph, rather than
     // have to put traversals like this here?
     if let Some(body) = body {
@@ -430,7 +430,7 @@ impl<'a, 'tcx, O:DataFlowOperator> DataFlowContext<'a, 'tcx, O> {
                 for offset in 0..usize_bits {
                     let bit = 1 << offset;
                     if (word & bit) != 0 {
-                        // NB: we round up the total number of bits
+                        // N.B., we round up the total number of bits
                         // that we store in any given bit set so that
                         // it is an even multiple of usize::BITS.  This
                         // means that there may be some stray bits at