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util.serialization: Let freeze metamethod return a literal string

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Enables custom serialization, such as creating a datatype that
serializes into a variable reference.
This commit is contained in:
Kim Alvefur 2020-09-26 23:17:53 +02:00
parent 534435a9d0
commit b93e90ebb3
1 changed files with 4 additions and 0 deletions
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4
util/serialization.lua
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@ -150,6 +150,10 @@ local function new(opt)
if type(fr) == "function" then
t = fr(t);
if type(t) == "string" then
o[l], l = t, l + 1;
return l;
end
if type(tag) == "string" then
o[l], l = tag, l + 1;
end