phf_map!() { /* proc-macro */ }
Expand description
Macro to create a static
(compile-time) Map
.
Requires the macros
feature.
Supported key expressions are:
- literals: bools, (byte) strings, bytes, chars, and integers (these must have a type suffix)
- arrays of
u8
integers - dereferenced byte string literals
UniCase::unicode(string)
orUniCase::ascii(string)
if theunicase
feature is enabled
§Example
use phf::{phf_map, Map};
static MY_MAP: Map<&'static str, u32> = phf_map! {
"hello" => 1,
"world" => 2,
};
fn main () {
assert_eq!(MY_MAP["hello"], 1);
}