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Arity-agnostic fst function in Clean
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| module fst | |
| fst :: !a -> b // (a,b) -> a, (a,b,c) -> a, (a,b,c,d) -> a, etc. | |
| fst _ = code { | |
| get_node_arity 0 | |
| push_b 0 | |
| push_b 0 | |
| repl_args_b | |
| decI | |
| .o 2 1 i | |
| :loop | |
| updatepop_a 0 1 | |
| decI | |
| eqI_b 0 0 | |
| jmp_false loop | |
| pop_b 1 | |
| jmp_eval | |
| } | |
| Start = [fst (1,2), fst (1,2,3), fst (1,2,3,4)] |
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