rustHow do I pass variable arguments in Rust?
Variable arguments in Rust can be passed using the std::env::args()
function. This function returns an iterator of the command line arguments passed to the program.
Example code
fn main() {
let args: Vec<String> = std::env::args().collect();
println!("{:?}", args);
}
Output example
["./my_program", "arg1", "arg2", "arg3"]
Code explanation
std::env::args()
: This function returns an iterator of the command line arguments passed to the program.let args: Vec<String> = std::env::args().collect();
: This line collects the arguments into a vector of strings.println!("{:?}", args);
: This line prints the vector of strings.
Helpful links
Related
- How do I write a variable to a file in Rust?
- How do I identify unused variables in Rust?
- How do I determine the size of a variable in Rust?
- How do I check if a variable is in a list of values in Rust?
- How do I use a variable in a match statement in Rust?
- How do I add a variable to a string in Rust?
- How do I access a tuple variable by index in Rust?
- How do I add padding to a variable in Rust?
- How do I use a variable number of arguments in Rust?
- How do I create a variable on the heap in Rust?
More of Rust
- How to replace a capture group using Rust regex?
- Regex example to match multiline string in Rust?
- How to parse a file with Rust regex?
- How to use regex lookahead in Rust?
- How to use regex captures in Rust?
- How to use regex to match a group in Rust?
- How to match the end of a line in a Rust regex?
- How to perform matrix operations in Rust?
- How to use regex to match a double quote in Rust?
- How to replace strings using Rust regex?
See more codes...