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Coking is a refractory process separating coal gas from coal to make coke. The main inertinite submacerals are fusinite, semifusinite, micrinite, macrinite, and funginite, with semifusinite being the most common. Compositional percentages of fusinite and semifusinite indicate paleo-wildfire magnitude, frequency, and type. [8]
Unlike some other macro processors, m4 is Turing-complete as well as a practical programming language. Unquoted identifiers which match defined macros are replaced with their definitions. Placing identifiers in quotes suppresses expansion until possibly later, such as when a quoted string is expanded as part of macro replacement.
Macro was born in 21 BC at Alba Fucens, a Roman town at the foot of Monte Velino, situated on a hill just to the north of the Via Valeria in Italy. [1] Inscriptional evidence from the ruins of this town reveal that, prior to becoming Praetorian prefect, Macro had served as Praefectus vigilum, prefect of the vigiles, the Roman fire brigade and night watch.
This example aims to improve the readability of the X macro usage by: Prefix the name of the macro that defines the list with "FOR_". Pass name of the worker macro into the list macro. This both avoids defining an obscurely named macro (X), and alleviates the need to undefine it. Use the syntax for variadic macro arguments "..." in the worker ...
A parameterized macro is a macro that is able to insert given objects into its expansion. This gives the macro some of the power of a function. As a simple example, in the C programming language, this is a typical macro that is not a parameterized macro, i.e., a parameterless macro: #define PI 3.14159
In some languages the expansion of a macro does not need to correspond to textual code; rather than expanding to an expression containing the symbol f, a macro may produce an expansion containing the actual object referred to by f. Similarly if the macro needs to use local variables or objects defined in the macro's package, it can expand to an ...
A macro specifies how to replace text in the source code with other text. An object-like macro defines a token that the preprocessor replaces with other text. It does not include parameter syntax and therefore cannot support parameterization. The following macro definition associates the text "1 / 12" with the token "VALUE":
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