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AllAreType

From WoWWiki

This is a user-defined function that you can copy and paste into your addon. Replace <PREFIX> with your AddOn's prefix to avoid conflicts between different versions of these functions.

This function is designed to make long If statements quicker and easier. Allows you to check lots of values at once for the same type

<PREFIX>_allAreType(type, param [,param [, ...]])

Note:

If just the type parameter is given then the function returns true, as no parameters have faile the check (See example 'c' below).

Function Parameters

Arguments

type
String - A string that represents the desired type of the values. See type() for further help on this value.
param
any - A list of values to check for the same, consistent type.

Returns

result
Boolean - true if all of the params have the desired type, false if atleast one fails.

Example

local a = <PREFIX>_allAreType("string","Hello",DEFAULT_CHAT_FRAME:GetName());
local b = <PREFIX>_allAreType("number", 65, tonumber("two") );
local c = <PREFIX>_allAreType("fuction");

local d = <PREFIX>_allAreType("table",{},{5,3,"Hello"}, "Bob");

Result

a = true
b = true
c = true

d = false

Code

function <PREFIX>_allAreType(typeStr,...)
  for i=1, select('#',...), 1 do
    value = select(i,...);
    if(type(value)~=typeStr) then
      return false;
    end;
  end;
  return true;
end