July 2018
Beginner
202 pages
5h 42m
English
Content preview from Lua Quick Start Guide
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Operators
Lua also provides meta methods for a number of operators, such as addition or subtraction. Often, these meta methods might be performed on two separate tables. The rules for which tables a meta method is executed on are as follows:
- If the left-hand side of the expression has a meta method, but the right-hand side doesn't, the meta method of the left-hand side is used
- If the right-hand side of the expression has a meta method, but the left-hand side doesn't, the meta method of the right-hand side is used
- If both sides of the expression have meta methods, the meta method of the left-hand side is used
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