do_with_in_base

Function varHandler

Source 
pub fn varHandler<T: StartMarker + Clone>(
    c: Configuration<T>,
    v: Variables<'_, T>,
    data: Option<TokenStream>,
    t: TokenStream,
) -> Result<(Variables<'_, T>, TokenStream), (Variables<'_, T>, TokenStream)>
Expand description

Create and assign variables. DOES interpolate during both definition and use.

Syntax: $(var <ident> = <value>)

A variable in do-with-in! is an identifier with a prepended sigil. Variables set with var can make reference to other metaprogramming variables. Internally, var is a wrapper around assignmentInternalHandler;