Apr 11, 2013 · In general - you use the special form define for binding a name to a value, that value can be any data type available, including in particular functions (lambdas). A bit more …

In other words, when the compiler starts building your code, no #define statements or anything like that is left. A good way to understand what the preprocessor does to your code is to get …

Mar 12, 2011 · Specifically, #define tells the preprocessor that everywhere the token M occurs, the text "4" should be used in its place. You are correct in that using a normal variable …

Jul 29, 2013 · 7 Syntax is the structure or form of expressions, statements, and program units but Semantics is the meaning of those expressions, statements, and program units. Semantics …

Jan 25, 2019 · How can we define a new extension (e.g. .mylang) which is based on an already existent syntax (let's say HTML files), but has some differences? E.g. I would like to define a …

11 It's worth mentioning that in C++ you can use "enum" to define a new type without needing a typedef statement.

Jul 17, 2012 · #define something (54) tells the C pre-processor to replace any text matching "something" with " (54)" before the code is actually compiled. The reason you will often see the …

Sep 12, 2015 · The confusion comes about because some of the declarations are in fact declaring up to three C constructs. You need to keep in mind the difference between: A typedef …

Mar 6, 2017 · I need to specify a message with an optional field in protobuf (proto3 syntax). In terms of proto 2 syntax, the message I want to express is something like: message Foo { …

Oct 28, 2025 · I wonder whether it is possible to call define-syntax-rule in a loop-like construction like for-each. I explicitly say 'loop-like' because I know that normal Scheme evaluation comes …