module builtin pub struct array { pub: data voidptr len int cap int element_size int } // for now off the stack fn new_array_from_c_array(len, cap, elm_size int, c_array voidptr) array { arr := array { len: len cap: cap element_size: elm_size data: c_array } return arr } // Private function. Used to implement array[] operator fn (a array) get(i int) voidptr { if i < 0 || i >= a.len { panic('array.get: index out of range') // FIXME: (i == $i, a.len == $a.len)') } return a.data + i * a.element_size } // Private function. Used to implement assigment to the array element. fn (a mut array) set(i int, val voidptr) { if i < 0 || i >= a.len { panic('array.set: index out of range') //FIXME: (i == $i, a.len == $a.len)') } mem_copy(a.data + a.element_size * i, val, a.element_size) } // array.repeat returns new array with the given array elements // repeated `nr_repeat` times pub fn (a array) repeat(nr_repeats int) array { assert nr_repeats >= 0 arr := array { len: nr_repeats * a.len cap: nr_repeats * a.len element_size: a.element_size data: malloc(nr_repeats * a.len * a.element_size) } for i := 0; i < nr_repeats; i++ { mem_copy(arr.data + i * a.len * a.element_size, a.data, a.len * a.element_size) } return arr }