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Added function balancedParens

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This commit is contained in:
Andrei Alexandrescu 2010-09-26 19:54:34 +00:00
parent f0b2af7f07
commit 6dded8e278
1 changed files with 3 additions and 3 deletions
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6
std/algorithm.d
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@ -3480,7 +3480,7 @@ if (isInputRange!(Range) && is(typeof(r.front == lPar)))
{ {
if (r.front == lPar) if (r.front == lPar)
{ {
if (count == maxNestingLevel) return false; if (count > maxNestingLevel) return false;
++count; ++count;
} }
else if (r.front == rPar) else if (r.front == rPar)
@ -3499,9 +3499,9 @@ unittest
s = "1 + (2 * (3 + 1) / 2)"; s = "1 + (2 * (3 + 1) / 2)";
assert(balancedParens(s, '(', ')')); assert(balancedParens(s, '(', ')'));
s = "1 + (2 * (3 + 1) / 2)"; s = "1 + (2 * (3 + 1) / 2)";
assert(!balancedParens(s, '(', ')', 1)); assert(!balancedParens(s, '(', ')', 0));
s = "1 + (2 * 3 + 1) / (2 - 5)"; s = "1 + (2 * 3 + 1) / (2 - 5)";
assert(balancedParens(s, '(', ')', 1)); assert(balancedParens(s, '(', ')', 0));
} }
// equal // equal