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Bug 3963 – out(result) in contract programming is nan

Status: RESOLVED
Resolution: DUPLICATE
Severity: normal
Priority: P2
Component: dmd
Product: D
Version: D2
Platform: x86
OS: Windows
Creation time: 2010-03-14T15:03:00Z
Last change time: 2014-02-15T02:46:43Z
Assigned to: nobody
Creator: bearophile_hugs

Comments

Comment #0 by bearophile_hugs — 2010-03-14T15:03:20Z

This program prints "nan" inside the out(result){} import std.stdio: writeln; double sqr(double x) out(result) { writeln("result1: ", result); // prints: result1: nan //assert(result >= 0); } body { return x * x; } void main() { writeln("result2: ", sqr(100)); // prints: result2: 10000 }

Comment #1 by clugdbug — 2010-03-15T00:55:49Z

*** This issue has been marked as a duplicate of issue 3667 ***