#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
typedef struct {
    int tag;
    union {
        struct {
            int32_t v0;
        } case1; // Some
    };
} US0;
typedef struct Fun0 Fun0;
struct Fun0{
    int refc;
    void (*decref_fptr)(Fun0 *);
    US0 (*fptr)(Fun0 *, int32_t);
};
typedef struct Closure0 Closure0;
struct Closure0 {
    int refc;
    void (*decref_fptr)(Closure0 *);
    US0 (*fptr)(Closure0 *, int32_t);
    int32_t v0;
};
static inline void USIncrefBody0(US0 * x){
    switch (x->tag) {
    }
}
static inline void USDecrefBody0(US0 * x){
    switch (x->tag) {
    }
}
void USIncref0(US0 * x){ USIncrefBody0(x); }
void USDecref0(US0 * x){ USDecrefBody0(x); }
US0 US0_None() { // None
    US0 x;
    x.tag = 0;
    return x;
}
US0 US0_Some(int32_t v0) { // Some
    US0 x;
    x.tag = 1;
    x.case1.v0 = v0;
    return x;
}
static inline void ClosureDecrefBody0(Closure0 * x){
    (void)x;
}
void ClosureDecref0(Closure0 * x){
    if (x != NULL && --(x->refc) == 0) { ClosureDecrefBody0(x); free(x); }
}
US0 f_c0(Closure0 * x, int32_t v1){
    int32_t v0 = x->v0;
    
    ClosureDecref0(x);
    
    
    bool v2;
    v2 = v1 == 0l;
    
    
    if (v2){
        
        
        return US0_None();
    } else {
        
        
        return US0_Some(v0);
    }
}
Fun0 * ClosureCreate0(int32_t v0){
    Closure0 * x = malloc(sizeof(Closure0));
    x->refc = 1;
    x->decref_fptr = ClosureDecref0;
    x->fptr = f_c0;
    x->v0 = v0;
    return (Fun0 *) x;
}
int32_t main(){
    
    
    int32_t v0;
    v0 = 7l;
    
    
    Fun0 * v1;
    v1 = ClosureCreate0(v0);
    (v1)->refc++;
    
    US0 v2;
    v2 = v1->fptr(v1, 1l);
    
    (v1)->decref_fptr(v1);
    switch (v2.tag) {
        case 0: { // None
            
            
            
            return 1l;
            break;
        }
        default: { // Some
            int32_t v3 = v2.case1.v0;
            
            
            bool v4;
            v4 = v3 == 7l;
            
            
            if (v4){
                
                
                return 0l;
            } else {
                
                
                return 1l;
            }
            break;
        }
    }
}