option.c File Reference

#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <derive-c/structures/option/template.h>

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Classes
struct	complex_data

Macros
#define	T   struct complex_data
#define	T_DELETE   complex_data_delete
#define	SELF   complex_data_option

Functions
void	complex_data_delete (struct complex_data *self)
void	option_example ()
int	main ()

Macro Definition Documentation

SELF

#define SELF   complex_data_option

Definition at line 19 of file option.c.

T

#define T   struct complex_data

Definition at line 17 of file option.c.

T_DELETE

#define T_DELETE   complex_data_delete

Definition at line 18 of file option.c.

Function Documentation

complex_data_delete()

void complex_data_delete

(

struct complex_data *

self

)

Examples

structures/option.c.

Definition at line 15 of file option.c.

{ free(self->description); }

main()

int main

(

)

Definition at line 45 of file option.c.

{ option_example(); }

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option_example()

void option_example

(

)

Examples

structures/option.c.

Definition at line 22 of file option.c.

                      {
    complex_data_option opt = complex_data_option_empty();
    assert(!complex_data_option_is_present(&opt));
 
    // when accessing a value, you get a pointer. Not present = NULL
    assert(!complex_data_option_get(&opt));
    assert(!complex_data_option_get_const(&opt));
 
    bool was_present_1 = complex_data_option_replace(
        &opt, (struct complex_data){.x = 42, .y = 3.14, .description = strdup("A complex data")});
    assert(!was_present_1);
 
    assert(complex_data_option_is_present(&opt));
    assert(complex_data_option_get(&opt));
 
    bool was_present_2 = complex_data_option_replace(
        &opt,
        (struct complex_data){.x = 100, .y = 2.71, .description = strdup("Another complex data")});
    assert(was_present_2);
 
    complex_data_option_delete(&opt);
}

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