Created
April 15, 2026 10:59
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in Lua , show some "functional paradigm" paradigm-patterns ( such as "partial application" and "closures" ) and a Lua Module design-pattern
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| local M = {} | |
| function M.somma(a,b) | |
| return a + b | |
| end | |
| function M.prodotto(a,b) | |
| return a * b | |
| end | |
| function M.successivo(a) | |
| return M.somma(a,1) | |
| end | |
| function M.doppio(a) | |
| return M.prodotto(a,2) | |
| end | |
| function M.triplo(a) | |
| return M.prodotto(a,3) | |
| end | |
| function M.prodotto_parametrico(n) | |
| local function un_prodotto_di(a) | |
| return M.prodotto(a,n) | |
| end | |
| return un_prodotto_di | |
| end | |
| M.quadruplo = M.prodotto_parametrico(4) | |
| M.quintuplo = M.prodotto_parametrico(5) | |
| M.mezzo = M.prodotto_parametrico(0.5) | |
| return M | |
| --[[ | |
| f=require('funcs') | |
| f.doppio(2) | |
| 4 | |
| f.doppio(3) | |
| 6 | |
| f.quadruplo(3) | |
| 12 | |
| f.quintuplo(3) | |
| 15 | |
| ]] | |
| --[[ | |
| arkenidar@infotool:~/code$ cd /home/arkenidar/code/ && ls | |
| cpp_libsdl3_script_luajit_sol3_embed funcs.lua win_script | |
| arkenidar@infotool:~/code$ rlwrap luajit | |
| LuaJIT 2.1.1737090214 -- Copyright (C) 2005-2025 Mike Pall. https://luajit.org/ | |
| JIT: ON SSE3 SSE4.1 BMI2 fold cse dce fwd dse narrow loop abc sink fuse | |
| > f = require'funcs' | |
| > =f | |
| table: 0x7f7423a1df88 | |
| > =f.successivo | |
| function: 0x7f7423a14b48 | |
| > =f.doppio | |
| function: 0x7f7423a1e158 | |
| > =f.triplo | |
| function: 0x7f7423a1e190 | |
| > =f.quadruplo | |
| function: 0x7f7423a1e0f0 | |
| > =f.quintuplo | |
| function: 0x7f7423a1e818 | |
| > =f.mezzo | |
| function: 0x7f7423a1e890 | |
| > =f.mezzo(108) | |
| 54 | |
| > =f.doppio(54) | |
| 108 | |
| > =f.quintuplo(3) | |
| 15 | |
| > | |
| ]] |
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