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 use a variable in a match statement in Rust?
- How do I identify unused variables in Rust?
- How do I print the address of a variable in Rust?
- How do I copy a variable 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 declare a variable without initializing it in Rust?
- How do I use a variable from another file in Rust?
- How do I add padding to a variable in Rust?
- How do I declare multiple variables in Rust?
More of Rust
- How to replace a capture group using Rust regex?
- How to use an enum in a Rust HashMap?
- Regex example to match multiline string in Rust?
- How to match a URL with a regex in Rust?
- How to get all matches from a Rust regex?
- How to use groups in a Rust regex?
- How to create a Rust regex from a string?
- How to use regex to match a double quote in Rust?
- How to convert the keys of a Rust HashMap to a vector?
- How to calculate the inverse of a matrix in Rust?
See more codes...