内容简介：编译时出现 .msg: Invalid declaration: 类型 变量. 切记<Built-in types:
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- catkin_make 编译指定的包 .
- $ catkin_make - DCATKIN_WHITELIST_PACKAGES = "package1;package2"
- 恢复编译所有的包
- $ catkin_make - DCATKIN_WHITELIST_PACKAGES = ""
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rostopic list #列出话题 rostopicecho话题 #接收话题
编译时出现 .msg: Invalid declaration: 类型 变量. 切记< 类型 变量 >之间的分割为空格 不能是tab.
Built-in types:
Primitive Type
Serialization
C++
Python2
Python3
bool (1)
unsigned 8-bit int
uint8_t (2)
bool
int8
signed 8-bit int
int8_t
int
uint8
unsigned 8-bit int
uint8_t
int (3)
int16
signed 16-bit int
int16_t
int
uint16
unsigned 16-bit int
uint16_t
int
int32
signed 32-bit int
int32_t
int
uint32
unsigned 32-bit int
uint32_t
int
int64
signed 64-bit int
int64_t
long
int
uint64
unsigned 64-bit int
uint64_t
long
int
float32
32-bit IEEE float
float
float
float64
64-bit IEEE float
double
float
string
ascii string (4)
std::string
str
bytes
time
secs/nsecs unsigned 32-bit ints
duration
secs/nsecs signed 32-bit ints
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