https://bugzilla.wikimedia.org/show_bug.cgi?id=48173
Web browser: ---
Bug ID: 48173
Summary: Lua table serialization (dumping contents of a table)
is really painful/annoying
Product: MediaWiki extensions
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Scribunto
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected]
Classification: Unclassified
Mobile Platform: ---
I'm trying to debug a Lua module. Here's my test input:
---
function test(frame)
local t = {}
t[1] = 2
return t
end
print(test())
---
This input returns the string "table". This is really unhelpful and very
annoying. I want to dump the table. The string "table" provides almost no value
to me at all.
It would be very helpful to have a function that can print something similar to
this:
---
print_table(t)
t = { 1 = 2 }
---
Looking around the Web, it seems that this is a fairly common issue in Lua:
* http://www.luafaq.org/#T1.15
* http://lua-users.org/wiki/TableSerialization
* http://stackoverflow.com/questions/9168058/lua-beginner-table-dump-to-console
I'd like for there to be a built-in function (similar to print_r or var_dump in
PHP or the print statement in Python 2) that allows easy
dumping/printing/serialization of a Lua table for debugging purposes.
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