From 7e8b6824b9bc0a23de67f79cbe9b6249f1395874 Mon Sep 17 00:00:00 2001
From: tris203 <admin@snappeh.com>
Date: Sat, 1 Jun 2024 13:23:58 +0100
Subject: [PATCH] refactor: minor adjustments

---
 lua/precognition/horizontal_motions.lua | 6 +-----
 lua/precognition/utils.lua              | 3 ++-
 tests/precognition/char_spec.lua        | 1 +
 3 files changed, 4 insertions(+), 6 deletions(-)

diff --git a/lua/precognition/horizontal_motions.lua b/lua/precognition/horizontal_motions.lua
index cde6aa4..9b75318 100644
--- a/lua/precognition/horizontal_motions.lua
+++ b/lua/precognition/horizontal_motions.lua
@@ -132,11 +132,7 @@ function M.prev_word_boundary(str, cursorcol, linelen, big_word)
     while utils.char_class(char, big_word) == c_class and offset >= 0 do
         offset = offset - 1
         char = vim.fn.strcharpart(str, offset - 1, 1)
-        if char == "" then
-            -- Gone outside the line boundary, so break.
-            break
-        end
-        --if remaining string is whitespace, return nil_wrap
+        --if remaining string is whitespace, return 0
         local remaining = string.sub(str, offset)
         if remaining:match("^%s*$") and #remaining > 0 then
             return 0
diff --git a/lua/precognition/utils.lua b/lua/precognition/utils.lua
index 29237e0..85c5b52 100644
--- a/lua/precognition/utils.lua
+++ b/lua/precognition/utils.lua
@@ -6,6 +6,7 @@ M.char_classes = {
     other = 1,
     word = 2,
     emoji = 3,
+    UNKNOWN = -1,
 }
 
 ---@param char string
@@ -17,7 +18,7 @@ function M.char_class(char, big_word)
 
     local byte = string.byte(char)
     if byte == nil then
-        return cc.other
+        return cc.UNKNOWN
     end
     if char == " " or char == "\t" or char == "\0" then
         return cc.whitespace
diff --git a/tests/precognition/char_spec.lua b/tests/precognition/char_spec.lua
index 88f1b86..b1bbe36 100644
--- a/tests/precognition/char_spec.lua
+++ b/tests/precognition/char_spec.lua
@@ -9,6 +9,7 @@ describe("static classes", function()
         eq(cc.other, 1)
         eq(cc.word, 2)
         eq(cc.emoji, 3)
+        eq(cc.UNKNOWN, -1)
     end)
 end)