command line option!\n") proc printf(formatstr: cstring) {.importc: "printf", varargs, header: "<stdio.h>".} printf("This works %s", "as expected") var str: string = "Hello!" var cstr: cstring = str EACCES was a variable, as # Nim does not know its value type PFile {.importc: "FILE*", header: "<stdio.h>".} = distinct pointer # import C's FILE* type; Nim will treat it as a new pointer type Note: (int)""", nimVar, ");"].} {.pop.} embedsC() proc foobar() {.importc:"$1".} {.emit: """ #include <stdio.h> NIM_EXTERNC void fun(){} """.} ImportCpp pragma Note: c2nim (https://github.com/nim-lang/

x[i] 可⽤于访问 x 的第 i 个元素。 proc printf(formatstr: cstring) {.importc: "printf", varargs, header: "<stdio.h>".} printf("这会%s⼯作", "像预期⼀样") var str: string = "Hello!" var cstr: cstring = str var newstr: importc, nodecl.}: cint # 把 EACCES 假装成变量， # Nim 不知道它的值 type PFile {.importc: "FILE*", header: "<stdio.h>".} = distinct pointer # 引⼊ C 的 FILE* 类型；Nim 把它视为⼀个新的指针类型 注意: LLVM 后端不存在这种编译指示。 IncompleteStruct (int)""", nimVar, ");"].} {.pop.} embedsC() proc foobar() {.importc:"$1".} {.emit: """ #include <stdio.h> NIM_EXTERNC void fun(){} """.} {.emit: """/*TYPESECTION*/ struct Vector3 { public: Vector3():

Interfacing with C/C++ Foreign Function Interface proc printf(formatstr: cstring) {.header: "<stdio.h>", importc: "printf", varargs.} {.emit: """ using namespace core; """.} {.compile: "logic

in this way: // C program expecting one command line argument // Compile with gcc t.c #include <stdio.h> int main( int argc, char *argv[] ) { printf("Executing program %s\n", argv[0]); if( argc ==

in this way: // C program expecting one command line argument // Compile with gcc t.c #include <stdio.h> int main( int argc, char *argv[] ) { printf("Executing program %s\n", argv[0]); if( argc ==

in this way: // C program expecting one command line argument // Compile with gcc t.c #include <stdio.h> int main( int argc, char *argv[] ) { printf("Executing program %s\n", argv[0]); if( argc ==

in this way: // C program expecting one command line argument // Compile with gcc t.c #include <stdio.h> int main( int argc, char *argv[] ) { printf("Executing program %s\n", argv[0]); if( argc ==

in this way: // C program expecting one command line argument // Compile with gcc t.c #include <stdio.h> int main( int argc, char *argv[] ) { printf("Executing program %s\n", argv[0]); if( argc ==

in this way: // C program expecting one command line argument // Compile with gcc t.c #include <stdio.h> int main( int argc, char *argv[] ) { printf("Executing program %s\n", argv[0]); if( argc ==

in this way: // C program expecting one command line argument // Compile with gcc t.c #include <stdio.h> int main( int argc, char *argv[] ) { printf("Executing program %s\n", argv[0]); if( argc ==