Crate constcat

std::concat! with support for const variables and expressions.

Examples

use constcat::constcat;

const EX: &str = constcat!("string", 10, 'c', true, 3.14, VARIABLE, expr());
assert_eq!(EX, "string10ctrue3.14constcat🎉");

const VARIABLE: &str = env!("CARGO_PKG_NAME");

const fn expr() -> &'static str {
    "🎉"
}

Macros

constcat

Concatenate &str const expressions and literals into a static string slice.