jsonbuilder

Macro context_map

Source 
macro_rules! context_map {
    (@single $($x:tt)*) => { ... };
    (@count $($rest:expr),*) => { ... };
    ($($key:expr => $value:expr,)+) => { ... };
    ($($key:expr => $value:expr),*) => { ... };
    ($value:expr) => { ... };
}