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ARM2200 ARM2200编程中的语法疑问
问
定义如下:
void test(uint8 &a,uint8 &b)
{
uint8 c;
c=a;
a=b;
b=c;
}
一个包含引用的函数
编译时就会报错出来。。。
这里编译器难道不支持“引用”??
Error : C2285E: expected ')' or ',' - inserted ')' before '&'
test.c line 10
Error : C2285E: expected ';' or ',' - inserted ';' before '&'
test.c line 10
Error : (Serious) C2322E: Expecting <declarator> or <type> but found '&'
test.c line 10
Error : C2285E: expected ')' or ',' - inserted ')' before '&'
test.c line 207
Error : C2285E: expected ';' or ',' - inserted ';' before '&'
test.c line 207
Error : (Serious) C2322E: Expecting <declarator> or <type> but found '&'
test.c line 207
Error : C2285E: expected ';' or ',' - inserted ';' before '{'
test.c line 208
Error : (Serious) C2337E: Misplaced '{' at top level - ignoring block
test.c line 208
Error : C2456E: undeclared name, inventing 'extern int a'
test.c line 210
Error : C2456E: undeclared name, inventing 'extern int b'
test.c line 211
D:\test\20060802\lpc2200\src\test.c: 0 warnings, 7 errors, 3 serious errors
答 1: uint8 &c;定义出错 答 2: c不支持引用吧
void test(uint8 &a,uint8 &b)
{
uint8 c;
c=a;
a=b;
b=c;
}
一个包含引用的函数
编译时就会报错出来。。。
这里编译器难道不支持“引用”??
Error : C2285E: expected ')' or ',' - inserted ')' before '&'
test.c line 10
Error : C2285E: expected ';' or ',' - inserted ';' before '&'
test.c line 10
Error : (Serious) C2322E: Expecting <declarator> or <type> but found '&'
test.c line 10
Error : C2285E: expected ')' or ',' - inserted ')' before '&'
test.c line 207
Error : C2285E: expected ';' or ',' - inserted ';' before '&'
test.c line 207
Error : (Serious) C2322E: Expecting <declarator> or <type> but found '&'
test.c line 207
Error : C2285E: expected ';' or ',' - inserted ';' before '{'
test.c line 208
Error : (Serious) C2337E: Misplaced '{' at top level - ignoring block
test.c line 208
Error : C2456E: undeclared name, inventing 'extern int a'
test.c line 210
Error : C2456E: undeclared name, inventing 'extern int b'
test.c line 211
D:\test\20060802\lpc2200\src\test.c: 0 warnings, 7 errors, 3 serious errors
答 1: uint8 &c;定义出错 答 2: c不支持引用吧
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