ospl 0.0.28

the (UNFINISHED!!!) OSPL programming language
Documentation 
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*****
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# this is a single line comment

def add = fn((a, b), c) {
    def z = a + b + c;
    return z;
};
print "hello world!\n";

def result = add((1, 2), 6);
if result == 6 {
    print "result is equal to 6\n";
} else if result < 6 {
    print "result is less than 6\n";
} else if result > 6 {
    print "result is greater than 6\n";
} else {
    print "unreachable\n";
};

def a = 0d;
a = 1d;

select result {
    case (6) {
        print "result is 6\n";
    }

    case (_) {
        print "result isn't 6\n";
    }
};

# FFI: demonstrate both traditional and CFFI syntax
import 'example' './libexample.so';
def add_two = foreign 'example' 'add_numbers'(i32, i32) -> i32;
def cos_fn = foreign 'example' 'cosine'(f64) -> f64;

# Using explicit 'd' suffix for u32 literals in FFI calls
print "add_numbers(3, 4) via ffi => ";
print add_two(3d, 4d);
print "\n";
print "cos(0.0) from ffi: ";
print cos_fn(0.0f);
print "\n";

# CFFI convenience syntax
def example_lib = ?!CFFI_Load './libexample.so';
def cffi_add = ?!CFFI_Fn example_lib.add_numbers (i32, i32) -> i32;
def cffi_cos = ?!CFFI_Fn example_lib.cosine (f64) -> f64;