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util/adhoc.lua @ 10592:9918b4b0cd58
util.array: Fix equality metamethod in Lua 5.3
Lua 5.2 only used the __eq metamethod if both operands have the same
__eq, but Lua 5.3 will pick one from either operands that has one as
long as both are tables.
This results in array() == {} and all sorts of odd behavior, including
array() == util.json.null.
<MattJ> I think [array() == {}] should have the same semantics as {} == {}
author | Kim Alvefur <zash@zash.se> |
---|---|
date | Wed, 15 Jan 2020 21:08:01 +0100 |
parent | 8382:e5d00bf4a4d5 |
child | 10667:49312378ba1d |
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-- luacheck: ignore 212/self local function new_simple_form(form, result_handler) return function(self, data, state) if state then if data.action == "cancel" then return { status = "canceled" }; end local fields, err = form:data(data.form); return result_handler(fields, err, data); else return { status = "executing", actions = {"next", "complete", default = "complete"}, form = form }, "executing"; end end end local function new_initial_data_form(form, initial_data, result_handler) return function(self, data, state) if state then if data.action == "cancel" then return { status = "canceled" }; end local fields, err = form:data(data.form); return result_handler(fields, err, data); else return { status = "executing", actions = {"next", "complete", default = "complete"}, form = { layout = form, values = initial_data(data) } }, "executing"; end end end return { new_simple_form = new_simple_form, new_initial_data_form = new_initial_data_form };