Cello is a GNU99 C library which brings higher level programming to C.
Interfaces allow for structured design;
Duck Typing allows for generic functions;
Exceptions control error handling;
Constructors/Destructors aid memory management;
Ссылки на примеры:
Пример программы:
#include "Cello.h"
int main(int argc, char** argv) {
/* Tables require "Eq" and "Hash" on key type */
var prices = new(Table, String, Int);
put(prices, $(String, "Apple"), $(Int, 12));
put(prices, $(String, "Banana"), $(Int, 6));
put(prices, $(String, "Pear"), $(Int, 55));
/* Tables also supports iteration */
foreach (key in prices) {
var price = get(prices, key);
print("Price of %$ is %$\n", key, price);
}
/* "with" automatically closes file at end of scope. */
with (file in open($(File, NULL), "prices.bin", "wb"))) {
/* First class function object */
lambda(write_pair, args) {
/* Run time type-checking with "cast" */
var key = cast(at(args, 0), String);
var val = cast(get(prices, key), Int);
try {
print_to(file, 0, "%$ :: %$\n", key, val);
} catch (e in IOError) {
println("Could not write to file - got %$", e)
}
return None;
};
/* Higher order functions */
map(prices, write_pair);
}
delete(prices);
}
На что только люди не пойдут, чтоб на С++ не писать.
