rustHow do I declare a constant in Rust?
Constants in Rust are declared using the const
keyword. The value of a constant must be known at compile time, and it cannot be changed once declared.
Example
const MAX_POINTS: u32 = 100_000;
This declares a constant named MAX_POINTS
of type u32
with a value of 100_000
.
Code explanation
const
: keyword used to declare a constantMAX_POINTS
: name of the constantu32
: type of the constant100_000
: value of the constant
Helpful links
Related
- How do I write a variable to a file in Rust?
- How do I access a tuple variable by index in Rust?
- How do I print the type of a variable in Rust?
- How do I use a variable number of arguments in Rust?
- How do I print a variable in Rust?
- How do I add padding to a variable in Rust?
- How can I use a mutex as a global variable in Rust?
- How can I use a hashmap as a global variable in Rust?
- How do I declare a variable without initializing it in Rust?
- How do I identify unused variables in Rust?
More of Rust
- How to use regex to match a double quote in Rust?
- How to match the end of a line in a Rust regex?
- Bitwise operator example in Rust
- How to replace a capture group using Rust regex?
- How to parse a file with Rust regex?
- How to extract data with regex in Rust?
- How to create a new Rust HashMap with values?
- How to match whitespace with a regex in Rust?
- How to match a URL with a regex in Rust?
- How to split a string with Rust regex?
See more codes...