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However, since <code>{{mfl|string|len|...}}</code> returns a number, any attempt to do string manipulation with the number returned will generate an error. --[[User:Grufo|Grufo]] ([[User talk:Grufo|talk]]) 05:17, 18 October 2024 (UTC)
: {{not done}}:<!-- Template:ESp --> {{tq|q=y|The value returned by a module function must always be a string}} is not true. [[mw:Extension:Scribunto/Lua reference manual#Returning text]] states {{tq|The module function should usually return a single string; whatever values are returned will be passed through tostring() and then concatenated with no separator.}} Further, when calling a module function from other Lua code even that doesn't apply; in that case it's like any other Lua function. I also note this change may well break other code that calls these functions (if it for some reason calls functions from this module instead of calling Scribunto's string manipulation functions directly) that expect a number from <code>len</code> or the like. [[User:Anomie|Anomie]][[User talk:Anomie|⚔]] 11:12, 18 October 2024 (UTC)
:: Alright, it seems then that I will have to fix that in {{mfl|params|mapping_by_invoking}} and stringify whatever modules may return. --[[User:Grufo|Grufo]] ([[User talk:Grufo|talk]]) 13:35, 18 October 2024 (UTC)
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