ctxmap 0.4.0

A collection that can store references of different types and lifetimes.

Install

Add this to your Cargo.toml:

[dependencies]
ctxmap = "0.4.0"

Example

ctxmap::schema!(Schema);
ctxmap::key!(Schema {
KEY_NO_DEFAULT: u32,
KEY_INT: u32 = 10,
KEY_DYN: dyn std::fmt::Display = 10,
KEY_STR: str = "abc",
KEY_STRING: str = format!("abc-{}", 10),
});

let mut m = ctxmap::CtxMap::new();
assert_eq!(m.get(&KEY_NO_DEFAULT), None);
assert_eq!(m.get(&KEY_INT), Some(&10));
assert_eq!(m[&KEY_INT], 10);
assert_eq!(&m[&KEY_STR], "abc");

m.with(&KEY_INT, &20, |m| {
assert_eq!(m[&KEY_INT], 20);
});

assert_eq!(m[&KEY_INT], 10);