TW-1511: Interpret string subtraction as concanetation with a dash
Fixes #1537 (previously known as TW-1511).
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@@ -1278,7 +1278,18 @@ Variant& Variant::operator-= (const Variant& other)
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break;
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break;
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case type_string:
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case type_string:
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throw std::string (STRING_VARIANT_SUB_STRING);
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switch (right._type)
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{
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case type_string:
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cast (type_string); _string += '-' + right._string; break;
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case type_boolean:
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case type_integer:
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case type_real:
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case type_date:
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case type_duration:
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throw std::string (STRING_VARIANT_SUB_STRING);
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break;
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}
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break;
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break;
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case type_date:
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case type_date:
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