12     using lal_char_zr  = context<lal_char, vcsn::expressionset<lal_char_z>>;
 
VCSN_CTX_INSTANTIATE(ctx::lal_char_b)
 
context< lal_char, vcsn::expressionset< lal_char_zr >> lal_char_zrr
 
context< lal_char, vcsn::expressionset< lal_char_z >> lal_char_zr
 
static dyn::context ctx(const driver &d)
Get the context of the driver. 
 
context< lal_char, vcsn::z > lal_char_z