ref: 5d986e613a56c158f3cdab000a12a75da2f6b28b dir: /parse/nodes.def/
N(Nnone) N(Nfile) N(Nblock) N(Nifstmt) N(Nloopstmt) N(Niterstmt) N(Nmatchstmt) N(Nmatch) N(Nuse) N(Nexpr) N(Nlit) N(Nname) N(Ndecl) N(Nfunc) N(Nimpl)