Lua repeat…until cycle

In Lua programming language repeat...until , a loop statement is different from for and while cycle for and while , the conditional statement of the loop is judged at the beginning of the execution of the current loop, while repeat...until conditional statement of the loop is judged after the end of the current loop.

Grammar

In Lua programming language repeat...until circular syntax format:

repeat
   statements
until( condition )

We notice that the loop condition judgment statement condition at the end of the loop body, so the loop body executes once before the condition is judged.

If the conditional judgment statement ( condition ) for false the loop restarts execution until the conditional statement ( condition ) for true will stop the execution.

Grammar