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More idiomatic signature for operator=()

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Return a reference instead of void so to enable
chained assignments like

"p = q = Position(...);"

Suggested by Rein Halbersma.

No functional change.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba
2012-07-05 11:52:11 +01:00
parent 7d2530873e
commit 775488340e
4 changed files with 9 additions and 5 deletions
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2
src/position.h
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@@ -97,7 +97,7 @@ public:
Position(const Position& p) { *this = p; }
Position(const Position& p, Thread* t) { *this = p; thisThread = t; }
Position(const std::string& f, bool c960, Thread* t) { from_fen(f, c960, t); }
void operator=(const Position&);
Position& operator=(const Position&);
// Text input/output
void from_fen(const std::string& fen, bool isChess960, Thread* th);