speedup: strlength, strempty, file_attributes

Author: scivision

+stdlib/private/file_attributes.m

@@ -1,7 +1,4 @@
 function a = file_attributes(p)
-arguments
-  p {mustBeTextScalar}
-end
 
 a = [];
 

+stdlib/private/strempty.m

@@ -1,10 +1,7 @@
 %% STREMPTY is the char / string empty
 
 function y = strempty(s)
-arguments
-  s {mustBeTextScalar}
-end
 
 y = strlength(s) == 0;
 
-end
+end

+stdlib/private/strlength.m

@@ -3,9 +3,6 @@
 % for GNU Octave until it builds in strlength
 
 function L = strlength(s)
-arguments
-  s {mustBeTextScalar}
-end
 
 if ischar(s)
   L = length(s);