Macro `delim_boundary`

#[macro_export]
macro_rules! delim_boundary {
    ($delim:expr) => { ... };
}

Create a new boundary based on a delimiter.

# use convert_case::{Case, Converter, delim_boundary};
let conv = Converter::new()
    .set_boundaries(&[delim_boundary!("::")])
    .to_case(Case::Camel);

assert_eq!(
    conv.convert("my::var::name"),
    "myVarName",
)