Macro rendology::plain_uniforms

macro_rules! plain_uniforms {
    () => { ... };
    ($field:ident: $value:expr) => { ... };
    ($field1:ident: $value1:expr, $($field:ident: $value:expr),+) => { ... };
    ($($field:ident: $value:expr),*,) => { ... };
}