Cody

Problem 2636. Clear all empty variables from the workspace

Solution 1806051

Submitted on 5 May 2019
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Test Suite

Test Status Code Input and Output
1   Fail
a=1; b=[]; c=500; d=clear_empty(); assert(isequal(exist('a','var'),1)); assert(isequal(exist('b','var'),0)); assert(isequal(exist('c','var'),1)); assert(isequal(exist('d','var'),1));

Error: You may not use the command(s) eval in your code

2   Fail
y_correct={}; x_correct=[]; c25=500; John=ones(3); v=clear_empty(); assert(isequal(exist('y_correct','var'),0)); assert(isequal(exist('x_correct','var'),0)); assert(isequal(exist('John','var'),1)); assert(isequal(exist('c25','var'),1)); assert(isequal(exist('v','var'),1));

Error: You may not use the command(s) eval in your code

3   Fail
j_correct={'John'}; ans1=0; Jane=rand; val=clear_empty(); assert(isequal(exist('j_correct','var'),1)); assert(isequal(exist('Jane','var'),1)); assert(isequal(exist('ans1','var'),1));

Error: You may not use the command(s) eval in your code