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LineAndColumn: add comparison operators

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This commit is contained in:
Maxime Coste 2011-10-15 04:42:28 +00:00
parent 26459abf8a
commit 187a99aba2
1 changed files with 22 additions and 3 deletions
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25
src/line_and_column.hh
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@ -27,15 +27,34 @@ struct LineAndColumn
EffectiveType operator-(const EffectiveType& other) const
{
return EffectiveType(line + other.line, column + other.column);
return EffectiveType(line - other.line, column - other.column);
}
EffectiveType& operator-=(const EffectiveType& other)
{
line += other.line;
column += other.column;
line -= other.line;
column -= other.column;
return *static_cast<EffectiveType*>(this);
}
bool operator< (const EffectiveType& other) const
{
if (line != other.line)
return line < other.line;
return column < other.column;
}
bool operator<= (const EffectiveType& other) const
{
if (line != other.line)
return line < other.line;
return column <= other.column;
}
bool operator== (const EffectiveType& other) const
{
return line == other.line and column == other.column;
}
};
}