50 lines
1.2 KiB
Lua
50 lines
1.2 KiB
Lua
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---
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---Print a formatted string. Put `{}` where you want something to be formatted in its place.
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---
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---```lua
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---local yummy_food = "chips"
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---printf("Lets eat {} together!", yummy_food)
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---```
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---
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---The items provided in the variable arguments must implement `tostring`!
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---
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---@param str string
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---@param ... any
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function printf(str, ...)
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local fleft, fright = str:find("{}")
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local formatted = ""
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-- current vararg index
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local arg = 1
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while (fleft ~= nil and fright ~= nil) do
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formatted = formatted .. str:sub(0, fleft - 1)
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formatted = formatted .. tostring(select(arg, ...))
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str = str:sub(fright + 1, str:len())
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fleft, fright = str:find("{}")
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arg = arg + 1
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end
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formatted = formatted .. str
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print(formatted)
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end
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---
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---Recursively dumps a table as a string.
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---
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---@param obj table
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---@return string
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---@nodiscard
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function dump_table(obj)
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if type(obj) == 'table' then
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local s = '{ '
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for k,v in pairs(obj) do
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if type(k) ~= 'number' then k = '"'..k..'"' end
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s = s .. '['..k..'] = ' .. dump_table(v) .. ','
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end
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return s .. '} '
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else
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return tostring(obj)
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end
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end
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