libcdsb/examples/map.c

/* This software is licensed by the MIT License, see LICENSE file */
/*                                Copyright © 2022 Gregory Lirent */

#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
#include "../include/map.h"

typedef vtype_map map_t;

int print_value(vtype_variable key, vtype_variable value, void* data) {
    const char  *n = data;
    vtype_int32 *k = (void*)key.pointer;

    assert(key.type == VTYPE_INT32);

    printf("%s %d: ", n, *k);

    switch (value.type) {
        default: abort();

        case VTYPE_INT32:
            printf("%d\n", *(vtype_int32*)value.pointer);
            break;
        case VTYPE_FLOAT:
            printf("%f\n", *(vtype_float*)value.pointer);
            break;
    }

    return 0;
}

int main(int argc, char** argv) {

    map_t map;
    vtype_float fl = 0.0;
    int a, b;

    map_init(&map, VTYPE_INT32);

    for (vtype_int32 i = 0; i < 28; ++i) {
        if (i%2) {
            map_update(&map, i, i);
        } else {
            map_update(&map, i, fl);
            fl += 0.05;
        }
    }

    a = 13;
    b = 18;

    map_get(&map, a, "Get value:", print_value);
    map_pop(&map, b, "Pop value:", print_value);

    map_foreach(&map, "Foreach loop:", print_value);

    map_free(&map);
}