1 files changed, 12 insertions(+), 17 deletions(-)

M src/note.zig

@@ 77,15 77,14 @@ const begin_braces = '{';
 const end_braces = '}';
 
 // Create a reference line and add it to the note.
-fn appendRef(buf: *util.CharBuffer, referent: []const u8, allocator: mem.Allocator) !void {
-    const ref = try fmt.allocPrint(allocator, "{s}:{s}", .{
-        util.ref_prefix,
-        referent,
-    });
-    defer allocator.free(ref);
-
-    try buf.appendSlice(ref);
-    try buf.append('\n');
+fn appendRef(buf: *util.CharBuffer, referent: []const u8) !void {
+    const capacity = util.ref_prefix.len + 1 + referent.len + 1;
+    try buf.ensureUnusedCapacity(capacity);
+
+    buf.appendSliceAssumeCapacity(util.ref_prefix);
+    buf.appendAssumeCapacity(':');
+    buf.appendSliceAssumeCapacity(referent);
+    buf.appendAssumeCapacity('\n');
 }
 
 pub const Note = struct {


@@ 200,16 199,12 @@ pub const Note = struct {
 
     // Backlinks: if any other note body refers to this one, add a reference to
     // that body's name.
-    fn appendBacklinks(
-        self: *@This(),
-        buf: *util.CharBuffer,
-        allocator: mem.Allocator,
-    ) !void {
+    fn appendBacklinks(self: *@This(), buf: *util.CharBuffer) !void {
         var has_a_backlink = false;
 
         for (self.backlinks.items) |backlink| {
             has_a_backlink = true;
-            try appendRef(buf, backlink, allocator);
+            try appendRef(buf, backlink);
         }
 
         // Backlinks padding.


@@ 249,7 244,7 @@ pub const Note = struct {
             const str = escaped.items;
             if (!seen.contains(str)) {
                 try seen.insert(str);
-                try appendRef(buf, str, allocator);
+                try appendRef(buf, str);
             }
         }
     }


@@ 259,7 254,7 @@ pub const Note = struct {
         buf: *util.CharBuffer,
         allocator: mem.Allocator,
     ) !void {
-        try self.appendBacklinks(buf, allocator);
+        try self.appendBacklinks(buf);
         try self.appendBody(buf);
         try self.appendReferences(buf, allocator);
     }