fmt_debug_map

fmt_tools

Function fmt_debug_map 

Source 
pub const fn fmt_debug_map<F, I, K, V>(values_fn: F) -> FmtDebugMap<F>
where
    F: Fn() -> I,
    I: IntoIterator<Item = (K, V)>,
    K: Debug,
    V: Debug,
Expand description

Creates an object that Debug or Display a list of (Debug, Debug) objects as a map.

Example:

let fmt = fmt_tools::fmt_debug_map(|| ('a'..'d').zip('x'..));

assert_eq!(format!("{fmt:?}"), "{'a': 'x', 'b': 'y', 'c': 'z'}");
assert_eq!(format!("{fmt}"), "{'a': 'x', 'b': 'y', 'c': 'z'}");