option.c File Reference

#include <stdlib.h>
#include <string.h>
#include <derive-c/core/prelude.h>
#include <derive-c/utils/option/template.h>

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Classes
struct	complex_data

Macros
#define	ITEM   struct complex_data
#define	ITEM_DELETE   complex_data_delete
#define	ITEM_CLONE   complex_data_clone
#define	NAME   complex_data_option

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

Macro Definition Documentation

ITEM

#define ITEM   struct complex_data

Definition at line 25 of file option.c.

ITEM_CLONE

#define ITEM_CLONE   complex_data_clone

Definition at line 27 of file option.c.

ITEM_DELETE

#define ITEM_DELETE   complex_data_delete

Definition at line 26 of file option.c.

NAME

#define NAME   complex_data_option

Definition at line 28 of file option.c.

Function Documentation

complex_data_clone()

struct complex_data complex_data_clone

(

struct complex_data const *

self

)

Examples

utils/option.c.

Definition at line 17 of file option.c.

                                                                        {
    return (struct complex_data){
        .x = self->x,
        .y = self->y,
        .description = strdup(self->description),
    };
}

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complex_data_delete()

void complex_data_delete

(

struct complex_data *

self

)

Examples

container/vector/dynamic.c, and utils/option.c.

Definition at line 16 of file option.c.

{ free(self->description); }

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main()

int main

(

)

Definition at line 54 of file option.c.

{ option_example(); }

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option_example()

void option_example

(

)

Examples

utils/option.c.

Definition at line 31 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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