15 = context<letterset<vcsn::set_alphabet<vcsn::char_letters>>,
24 # define MAYBE_EXTERN extern
context< lal_char, b > lal_char_b
context< oneset, vcsn::expressionset< lal_char_b >> lao_br
VCSN_CTX_INSTANTIATE(ctx::lal_char_b)
static dyn::context ctx(const driver &d)
Get the context of the driver.
Provide a variadic mul on top of a binary mul(), and one().