-/*
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) NULL EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_NULL, NULL, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) num_exp(exp) EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_NUMEXP, exp, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) CALLOC LPAREN let_calloc(alloc) RPAREN EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_CALLOC, alloc, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS reference(r) let_func(func) EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_FUNC, func, r?PSI_LET_REFERENCE:0));
-}
-let_stmt(let) ::= LET decl_var(var) EQUALS decl_var(val) EOS. {
- let = init_let_stmt(var, init_let_val(PSI_LET_VAR, val, 0));
-}
-*/