u-predicated-range

 # vim:ft=sh  nonu

set -o errexit
set -v

#################################################################  PIPE RANGE
scc 'rd9 | (_1%2 == 0)'
scc 'rd9 | (_1%2 == 0) = 42;  rd9'
scc 'for(auto c: range(v9) | (_1%2 == 1) )  _ c;'
scc 'for(auto c: range(s9) | ro::isdigit) _ c;'
scc 'for(auto c: range(c9) | ro::isdigit) _ c;'


# FIXME (we should be able to assign to const predicated_range)  scc 'vector<int> V{1,2,3,2}; const auto twos=V|2;  twos=42; V, V|2, twos'

#################################################################   FUNCTORS
scc 'v9 | (_1 > 5)'