R2019b compatible

Author: scivision

+stdlib/subprocess_run.m

@@ -28,7 +28,7 @@
 function [status, msg] = subprocess_run(cmd, opt)
 arguments
   cmd (1,:) string
-  opt.env struct {mustBeScalarOrEmpty} = struct.empty
+  opt.env (1,1) struct = struct()
   opt.cwd (1,1) string = ""
   opt.stdin (1,1) string = ""
   opt.stdout (1,1) logical = true
@@ -64,15 +64,11 @@
 end
 
 % deal struct into name, value pairs for system()
-if isempty(opt.env)
-  env_pairs = {};
-else
-  f = fieldnames(opt.env);
-  env_pairs = cell(1, 2 * numel(f));
-  for i = 1:numel(f)
-    env_pairs{2*i-1} = f{i};
-    env_pairs{2*i} = opt.env.(f{i});
-  end
+f = fieldnames(opt.env);
+env_pairs = cell(1, 2 * numel(f));
+for i = 1:numel(f)
+  env_pairs{2*i-1} = f{i};
+  env_pairs{2*i} = opt.env.(f{i});
 end
 
 %% Gfortran streams

find_compiler.m

@@ -1,6 +1,6 @@
 function comp = find_compiler(lang)
 arguments (Output)
-  comp string {mustBeScalarOrEmpty}
+  comp string
 end
 
 co = mex.getCompilerConfigurations(lang);

test/TestSubprocess.m

@@ -67,11 +67,11 @@ function test_cwd(tc)
   c = 'ls -l';
 end
 
-[s, m] = stdlib.subprocess_run(c, echo=true);
+[s, m] = stdlib.subprocess_run(c);
 tc.assertEqual(s, 0, "status non-zero")
 tc.verifyGreaterThan(strlength(m), 0, "empty directory not expected")
 
-[s, mc] = stdlib.subprocess_run(c, cwd=matlabroot, echo=true);
+[s, mc] = stdlib.subprocess_run(c, cwd=matlabroot);
 tc.assertEqual(s, 0, "status non-zero")
 tc.verifyNotEqual(m, mc, "expected different directory to have different contents")
 

test_main.m

@@ -1,7 +1,7 @@
 function test_main(context, sel)
 arguments
-  context {mustBeScalarOrEmpty} = []
-  sel {mustBeScalarOrEmpty} = ~HasTag("exe") & ~HasTag("mex") & ~HasTag("java_exe")
+  context = []
+  sel = ~HasTag("exe") & ~HasTag("mex") & ~HasTag("java_exe")
 end
 
 import matlab.unittest.TestRunner