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344 :名無しさん@お腹いっぱい。:2006/12/04(月) 23:30:36 ID:TLM3bDwY0
>>343
Added function SubStr(), which retrieves the specified number of characters at the specified position in a string.
Added assignment operators //=, .=, |=, &=, ^=, >>=, and <<=, which can be used anywhere in expressions. For example, Var .= "abc" appends the string "abc" to Var's current contents.
Added full support in expressions for the operators ++, --, +=, -=, *=, and /= (formerly, they could be used only as the leftmost operator on a line).
All assignment operators (especially ++ and --) behave in a C-like way when their result is used by some other operator.
Added the ternary operator (?:), which is a shorthand replacement for the if-else statement. For example, var := x>y ? 2 : 3 assigns the value 2 if x is greater than y; otherwise it assigns 3.
Added support for comma-separated expressions, which allow a single line to contain multiple assignments, function calls, and other expressions. [thanks PhiLho & Titan]
Improved variable declarations to support initialization on the same line. Note: A static variable's initialization occurs only once, before the script begins executing.
Improved line continuation to support all expression operators. For example, a line that starts with "?" or "+" is automatically merged with the line above it.
Improved performance of operators "." and ".=" to be as fast as the percent-sign method of appending a string.
Improved expressions to allow more types of consecutive unary operators such as !!Var. [thanks Laszlo]
Changed: A variable named simply "?" is no longer valid in expressions due to the new ternary operator.


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