source-academy / js-slang / 1289

92%

master: 77%

Pull #269

travis-ci

Change scoping rules for code execution

First time code is executed:

const math_PI = 3.14;
const map = <some builtin>;
.
.
.
{
  // user code start
  const con = 1;
  let le = 2;
  // blah blah
  <store con back>
  <store le>
}

Second time code is executed:

const math_PI = 3.14;
const map = <some builtin>;
.
.
.
{
  const con = <retrieve result>
  let le = <retrieve result>
  {
    // another user code start
    const con = 2; // can declare const again here!
    // blah blah
  }
}

554 of 620 branches covered (89.35%)

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43 of 43 new or added lines in 3 files covered. (100.0%)

1726 of 1847 relevant lines covered (93.45%)

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