Cello

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Cello

Designed by	Daniel Holden
Appeared in	2015
Computational class	Turing-complete
Reference implementation	libcello
Influenced by	C++, D, Objective-C
File extension(s)	.c

Cello is a superset of C99 which extends the language with garbage-collected objects, interface-driven polymorphism, and reflection. While every C program is a valid Cello program, idiomatic Cello is written like a embedded domain-specific language with its own syntax for declaring structs, allocating memory, and interacting with standard libraries. It is implemented as libcello, a portable C99 library which redefines C syntax to allow C compilers like gcc, clang, cl, or tcc to compile Cello.

Examples

Hello World

#include "Cello.h"
int main(int argc, char **argv) {
    println("Hello %s!", $S("World"));
    return 0;
}

External links

• "A Fat Pointer Library", Holden 2015, the article which introduced the concepts underlying libcello