+ Add error message for wrong argument type given to hexfont.load_glyphs()

2023-09-04 19:07:23 +02:00 · 2023-09-04 19:07:23 +02:00 · 7d36959d1e
parent 4a08715628
commit 7d36959d1e
1 changed files with 1 additions and 1 deletions
--- a/hexfont.lua
+++ b/hexfont.lua
@ -81,7 +81,7 @@ end
 --    hexfont.load_glyphs(io.lines("unifont.hex"))
 --    hexfont.load_glyphs(io.lines("unifont_upper.hex"))
 hexfont.load_glyphs = function(self, iterator)
-   assert( "function" == type(iterator) )
+   assert( "function" == type(iterator), "Are you using io.lines()?" )
   for line in iterator do
      assert("string" == type(line))
      local codepoint_hex, bitmap_hex = line:match(