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String interpolation is an alternative to building string via concatenation, which requires repeat quoting and unquoting; [2] or substituting into a printf format string, where the variable is far from where it is used. Compare:
Strings are passed to functions by passing a pointer to the first code unit. Since char * and wchar_t * are different types, the functions that process wide strings are different than the ones processing normal strings and have different names. String literals ("text" in the C source code) are converted to arrays during compilation. [2]
C++11 allows raw strings, unicode strings (UTF-8, UTF-16, and UTF-32), and wide character strings, determined by prefixes. It also adds literals for the existing C++ string, which is generally preferred to the existing C-style strings. In Tcl, brace-delimited strings are literal, while quote-delimited strings have escaping and interpolation.
COBOL uses the STRING statement to concatenate string variables. MATLAB and Octave use the syntax "[x y]" to concatenate x and y. Visual Basic and Visual Basic .NET can also use the "+" sign but at the risk of ambiguity if a string representing a number and a number are together. Microsoft Excel allows both "&" and the function "=CONCATENATE(X,Y)".
In order to denote the byte with numerical value 1, followed by the digit 1, one could use "\1""1", since C concatenates adjacent string literals. Some three-digit octal escape sequences are too large to fit in a single byte. This results in an implementation-defined value for the resulting byte.
From January 2008 to December 2012, if you bought shares in companies when Armando Codina joined the board, and sold them when he left, you would have a 128.0 percent return on your investment, compared to a -2.8 percent return from the S&P 500.
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From January 2011 to March 2012, if you bought shares in companies when Dominique Senequier joined the board, and sold them when she left, you would have a -50.3 percent return on your investment, compared to a 9.3 percent return from the S&P 500.