Data commit

Task/Runtime-evaluation/MATLAB/runtime-evaluation.m

@@ -0,0 +1,37 @@
+function testEval
+    fprintf('Expressions:\n')
+    x = eval('5+10^2')
+    eval('y = (x-100).*[1 2 3]')
+    eval('z = strcat(''my'', '' string'')')
+    try
+        w eval(' = 45')
+    catch
+        fprintf('Runtime error: interpretation of w is a function\n\n')
+    end
+    % eval('v') = 5
+    % Invalid at compile-time as MATLAB interprets as using eval as a variable
+
+    fprintf('Other Statements:\n')
+    nl = sprintf('\n');
+    eval(['for k = 1:20' nl ...
+              'fprintf(''%.3f\n'', k)' nl ...
+              'if k == 3' nl ...
+                  'break' nl ...
+              'end' nl ...
+          'end'])
+    true == eval('1')
+    try
+        true eval(' == 1')
+    catch
+        fprintf('Runtime error: interpretation of == 1 is of input to true\n\n')
+    end
+
+    fprintf('Programming on the fly:\n')
+    userIn = true;
+    codeBlock = '';
+    while userIn
+        userIn = input('Enter next line of code: ', 's');
+        codeBlock = [codeBlock nl userIn];
+    end
+    eval(codeBlock)
+end