| 192 | | The function $(CODE writeln) is the equivalent of the C $(CODE printf) (more precisely, it's the representative of a family of output functions including $(CODE write) and its formatting versions, $(CODE writef) and $(CODE writefln)). Just like $(CODE printf), $(CODE writeln) accepts a variable number of arguments of arbitrary types. But here the similarity ends. As long as you pass SafeD-arguments to $(CODE writeln), you are guaranteed not to encounter any undefined behavior. Here, $(CODE writeln) is called with a single argument of the type $(CODE string). In contrast to C, D $(CODE string) is not a pointer. It is an array of $(CODE invariant char), and arrays are a built into the safe subset of D. |
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| | 192 | The function $(CODE writeln) is the equivalent of the C $(CODE printf) (more precisely, it's the representative of a family of output functions including $(CODE write) and its formatting versions, $(CODE writef) and $(CODE writefln)). Just like $(CODE printf), $(CODE writeln) accepts a variable number of arguments of arbitrary types. But here the similarity ends. As long as you pass SafeD-arguments to $(CODE writeln), you are guaranteed not to encounter any undefined behavior. Here, $(CODE writeln) is called with a single argument of the type $(CODE string). In contrast to C, D $(CODE string) is not a pointer. It is an array of $(CODE immutable char), and arrays are a built into the safe subset of D. |
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